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      <image:title>CHROMABOND Flash RS 120 C18 ec cartridges, 40â€“63 Âµm, 130 g</image:title>
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      <image:title>TLC glass plates RP-18 W UV254, C18-modified silica layer, 20x20 cm, preparative</image:title>
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      <image:title>SPE columns, CHROMABOND SiOH, 45 Âµm, 3 mL/500 mg</image:title>
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      <image:title>GC column, Nonpolar, OPTIMA 1, 25 m L, 0.25 mm ID, 0.1 Âµm df</image:title>
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      <image:title>GC column, Nonpolar, OPTIMA 1, 30 m L, 0.25 mm ID, 0.1 Âµm df</image:title>
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      <image:title>GC column, Nonpolar, OPTIMA 1, 25 m L, 0.25 mm ID, 0.25 Âµm df</image:title>
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      <image:title>GC column, Nonpolar, OPTIMA 1, 30 m L, 0.25 mm ID, 0.25 Âµm df</image:title>
      <image:caption>GC column, Nonpolar, OPTIMA 1, 30 m L, 0.25 mm ID, 0.25 &amp;micro;m df</image:caption>
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      <image:title>GC column, Nonpolar, OPTIMA 1, 25 m L, 0.25 mm ID, 0.5 Âµm df</image:title>
      <image:caption>GC column, Nonpolar, OPTIMA 1, 25 m L, 0.25 mm ID, 0.5 &amp;micro;m df</image:caption>
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      <image:title>GC column, Nonpolar, OPTIMA 1, 30 m L, 0.25 mm ID, 0.5 Âµm df</image:title>
      <image:caption>GC column, Nonpolar, OPTIMA 1, 30 m L, 0.25 mm ID, 0.5 &amp;micro;m df</image:caption>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_8a617099-2fa3-4879-84e3-45c34a6ca023.png?v=1740070444</image:loc>
      <image:title>GC column, Nonpolar, OPTIMA 1, 25 m L, 0.25 mm ID, 1 Âµm df</image:title>
      <image:caption>GC column, Nonpolar, OPTIMA 1, 25 m L, 0.25 mm ID, 1 &amp;micro;m df</image:caption>
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  <url>
    <loc>https://esslabshop.com/products/726802_30-gc-column-nonpolar-optima-1-30-m-l-0-25-mm-id-1-m-df</loc>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_9af7cef0-2afc-42e9-86d3-589d5215b7df.png?v=1740070444</image:loc>
      <image:title>GC column, Nonpolar, OPTIMA 1, 30 m L, 0.25 mm ID, 1 Âµm df</image:title>
      <image:caption>GC column, Nonpolar, OPTIMA 1, 30 m L, 0.25 mm ID, 1 &amp;micro;m df</image:caption>
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    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_ec871854-9548-444a-b663-c83ff957e8ac.png?v=1740070444</image:loc>
      <image:title>GC column, Nonpolar, OPTIMA 1, 25 m L, 0.20 mm ID, 0.1 Âµm df</image:title>
      <image:caption>GC column, Nonpolar, OPTIMA 1, 25 m L, 0.20 mm ID, 0.1 &amp;micro;m df</image:caption>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_4edf01e3-1d26-4f2c-9b0f-5d06ec3159a1.png?v=1740070443</image:loc>
      <image:title>GC column, Nonpolar, OPTIMA 1, 25 m L, 0.20 mm ID, 0.2 Âµm df</image:title>
      <image:caption>GC column, Nonpolar, OPTIMA 1, 25 m L, 0.20 mm ID, 0.2 &amp;micro;m df</image:caption>
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    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_f75a9320-b2f3-4f8c-a0c7-60d4bcb0810f.png?v=1740070443</image:loc>
      <image:title>GC column, Nonpolar, OPTIMA 1, 25 m L, 0.20 mm ID, 0.35 Âµm df</image:title>
      <image:caption>GC column, Nonpolar, OPTIMA 1, 25 m L, 0.20 mm ID, 0.35 &amp;micro;m df</image:caption>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_24de4120-11a3-40e7-85c3-5984d260a97b.png?v=1740070443</image:loc>
      <image:title>GC column, Nonpolar, OPTIMA 1 TG, 25 m L, 0.25 mm ID, proprietary df</image:title>
      <image:caption>GC column, Nonpolar, OPTIMA 1 TG, 25 m L, 0.25 mm ID, proprietary df</image:caption>
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    <changefreq>daily</changefreq>
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      <image:title>GC column, Nonpolarâ€“low polar, OPTIMA 5, 25 m L, 0.25 mm ID, 0.25 Âµm df</image:title>
      <image:caption>GC column, Nonpolarâ€“low polar, OPTIMA 5, 25 m L, 0.25 mm ID, 0.25 &amp;micro;m df</image:caption>
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    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>GC column, Nonpolarâ€“low polar, OPTIMA 5, 30 m L, 0.25 mm ID, 0.25 Âµm df</image:title>
      <image:caption>GC column, Nonpolarâ€“low polar, OPTIMA 5, 30 m L, 0.25 mm ID, 0.25 &amp;micro;m df</image:caption>
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    <changefreq>daily</changefreq>
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      <image:title>GC column, Nonpolarâ€“low polar, OPTIMA 5, 25 m L, 0.25 mm ID, 0.5 Âµm df</image:title>
      <image:caption>GC column, Nonpolarâ€“low polar, OPTIMA 5, 25 m L, 0.25 mm ID, 0.5 &amp;micro;m df</image:caption>
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  <url>
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    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>GC column, Nonpolarâ€“low polar, OPTIMA 5, 30 m L, 0.25 mm ID, 0.5 Âµm df</image:title>
      <image:caption>GC column, Nonpolarâ€“low polar, OPTIMA 5, 30 m L, 0.25 mm ID, 0.5 &amp;micro;m df</image:caption>
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    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>GC column, Nonpolarâ€“low polar, OPTIMA 5, 25 m L, 0.25 mm ID, 0.35 Âµm df</image:title>
      <image:caption>GC column, Nonpolarâ€“low polar, OPTIMA 5, 25 m L, 0.25 mm ID, 0.35 &amp;micro;m df</image:caption>
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  <url>
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    <changefreq>daily</changefreq>
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      <image:title>GC column, Nonpolarâ€“low polar, OPTIMA 5, 30 m L, 0.25 mm ID, 0.35 Âµm df</image:title>
      <image:caption>GC column, Nonpolarâ€“low polar, OPTIMA 5, 30 m L, 0.25 mm ID, 0.35 &amp;micro;m df</image:caption>
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    <changefreq>daily</changefreq>
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      <image:title>GC column, Nonpolarâ€“low polar, OPTIMA 5, 25 m L, 0.25 mm ID, 1 Âµm df</image:title>
      <image:caption>GC column, Nonpolarâ€“low polar, OPTIMA 5, 25 m L, 0.25 mm ID, 1 &amp;micro;m df</image:caption>
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  <url>
    <loc>https://esslabshop.com/products/726807_30-gc-column-nonpolar-low-polar-optima-5-30-m-l-0-25-mm-id-1-m-df</loc>
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    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>GC column, Nonpolarâ€“low polar, OPTIMA 5, 30 m L, 0.25 mm ID, 1 Âµm df</image:title>
      <image:caption>GC column, Nonpolarâ€“low polar, OPTIMA 5, 30 m L, 0.25 mm ID, 1 &amp;micro;m df</image:caption>
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  <url>
    <loc>https://esslabshop.com/products/726854_25-gc-column-nonpolar-low-polar-optima-5-25-m-l-0-20-mm-id-0-1-m-df</loc>
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    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>GC column, Nonpolarâ€“low polar, OPTIMA 5, 25 m L, 0.20 mm ID, 0.1 Âµm df</image:title>
      <image:caption>GC column, Nonpolarâ€“low polar, OPTIMA 5, 25 m L, 0.20 mm ID, 0.1 &amp;micro;m df</image:caption>
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  <url>
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    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>GC column, Nonpolarâ€“low polar, OPTIMA 5, 25 m L, 0.20 mm ID, 0.2 Âµm df</image:title>
      <image:caption>GC column, Nonpolarâ€“low polar, OPTIMA 5, 25 m L, 0.20 mm ID, 0.2 &amp;micro;m df</image:caption>
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  <url>
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    <changefreq>daily</changefreq>
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      <image:title>GC column, Nonpolarâ€“low polar, OPTIMA 5, 25 m L, 0.20 mm ID, 0.35 Âµm df</image:title>
      <image:caption>GC column, Nonpolarâ€“low polar, OPTIMA 5, 25 m L, 0.20 mm ID, 0.35 &amp;micro;m df</image:caption>
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  <url>
    <loc>https://esslabshop.com/products/726863_25-gc-column-nonpolar-low-polar-optima-5-25-m-l-0-20-mm-id-0-5-m-df</loc>
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    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>GC column, Nonpolarâ€“low polar, OPTIMA 5, 25 m L, 0.20 mm ID, 0.5 Âµm df</image:title>
      <image:caption>GC column, Nonpolarâ€“low polar, OPTIMA 5, 25 m L, 0.20 mm ID, 0.5 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726911_25-gc-column-nonpolar-low-polar-optima-5-25-m-l-0-25-mm-id-0-1-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_5fce6276-5ed4-458f-8cbb-ce2f0e9b48b3.png?v=1740070439</image:loc>
      <image:title>GC column, Nonpolarâ€“low polar, OPTIMA 5, 25 m L, 0.25 mm ID, 0.1 Âµm df</image:title>
      <image:caption>GC column, Nonpolarâ€“low polar, OPTIMA 5, 25 m L, 0.25 mm ID, 0.1 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726911_30-gc-column-nonpolar-low-polar-optima-5-30-m-l-0-25-mm-id-0-1-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_66e666e7-734a-4961-a118-1358dc59625b.png?v=1740070438</image:loc>
      <image:title>GC column, Nonpolarâ€“low polar, OPTIMA 5, 30 m L, 0.25 mm ID, 0.1 Âµm df</image:title>
      <image:caption>GC column, Nonpolarâ€“low polar, OPTIMA 5, 30 m L, 0.25 mm ID, 0.1 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726022_25-gc-column-mid-polar-optima-17-25-m-l-0-25-mm-id-0-25-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_b2f2f038-a5da-4856-93f2-605a72fad395.png?v=1740070438</image:loc>
      <image:title>GC column, Mid-polar, OPTIMA 17, 25 m L, 0.25 mm ID, 0.25 Âµm df</image:title>
      <image:caption>GC column, Mid-polar, OPTIMA 17, 25 m L, 0.25 mm ID, 0.25 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726022_30-gc-column-mid-polar-optima-17-30-m-l-0-25-mm-id-0-25-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_56968707-a7e9-44a3-a7a5-bf431940f0ba.png?v=1740070438</image:loc>
      <image:title>GC column, Mid-polar, OPTIMA 17, 30 m L, 0.25 mm ID, 0.25 Âµm df</image:title>
      <image:caption>GC column, Mid-polar, OPTIMA 17, 30 m L, 0.25 mm ID, 0.25 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726065_25-gc-column-mid-polar-optima-17-25-m-l-0-20-mm-id-0-2-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_9e991c87-c6dc-43ff-bab6-eb3af5dfa87a.png?v=1740070437</image:loc>
      <image:title>GC column, Mid-polar, OPTIMA 17, 25 m L, 0.20 mm ID, 0.2 Âµm df</image:title>
      <image:caption>GC column, Mid-polar, OPTIMA 17, 25 m L, 0.20 mm ID, 0.2 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726066_25-gc-column-mid-polar-optima-17-25-m-l-0-20-mm-id-0-5-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_cc5c7b27-5987-4a2d-9dbc-06e9196df7dc.png?v=1740070437</image:loc>
      <image:title>GC column, Mid-polar, OPTIMA 17, 25 m L, 0.20 mm ID, 0.5 Âµm df</image:title>
      <image:caption>GC column, Mid-polar, OPTIMA 17, 25 m L, 0.20 mm ID, 0.5 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726067_25-gc-column-mid-polar-optima-17-25-m-l-0-25-mm-id-0-5-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_c5568a08-7754-4983-83ef-caadddeb898e.png?v=1740070437</image:loc>
      <image:title>GC column, Mid-polar, OPTIMA 17, 25 m L, 0.25 mm ID, 0.5 Âµm df</image:title>
      <image:caption>GC column, Mid-polar, OPTIMA 17, 25 m L, 0.25 mm ID, 0.5 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726067_30-gc-column-mid-polar-optima-17-30-m-l-0-25-mm-id-0-5-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_20d9cc75-b2ae-43ff-b71b-055b1df314dc.png?v=1740070436</image:loc>
      <image:title>GC column, Mid-polar, OPTIMA 17, 30 m L, 0.25 mm ID, 0.5 Âµm df</image:title>
      <image:caption>GC column, Mid-polar, OPTIMA 17, 30 m L, 0.25 mm ID, 0.5 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726742_25-gc-column-mid-polar-optima-17-25-m-l-0-25-mm-id-0-15-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_6c570663-89ab-48ce-8aff-7f3ab336ccd7.png?v=1740070436</image:loc>
      <image:title>GC column, Mid-polar, OPTIMA 17, 25 m L, 0.25 mm ID, 0.15 Âµm df</image:title>
      <image:caption>GC column, Mid-polar, OPTIMA 17, 25 m L, 0.25 mm ID, 0.15 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726742_30-gc-column-mid-polar-optima-17-30-m-l-0-25-mm-id-0-15-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_007839e3-a4ea-40c7-9487-5ef67675854f.png?v=1740070436</image:loc>
      <image:title>GC column, Mid-polar, OPTIMA 17, 30 m L, 0.25 mm ID, 0.15 Âµm df</image:title>
      <image:caption>GC column, Mid-polar, OPTIMA 17, 30 m L, 0.25 mm ID, 0.15 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726058_25-gc-column-low-polar-mid-polar-optima-1701-25-m-l-0-25-mm-id-0-25-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_a2d62339-479b-480d-a4f2-3ad665cecf34.png?v=1740070436</image:loc>
      <image:title>GC column, Low polarâ€“Mid-polar, OPTIMA 1701, 25 m L, 0.25 mm ID, 0.25 Âµm df</image:title>
      <image:caption>GC column, Low polarâ€“Mid-polar, OPTIMA 1701, 25 m L, 0.25 mm ID, 0.25 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726058_30-gc-column-low-polar-mid-polar-optima-1701-30-m-l-0-25-mm-id-0-25-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_16ef14fa-3ae8-4c7a-9070-255efb5a9040.png?v=1740070435</image:loc>
      <image:title>GC column, Low polarâ€“Mid-polar, OPTIMA 1701, 30 m L, 0.25 mm ID, 0.25 Âµm df</image:title>
      <image:caption>GC column, Low polarâ€“Mid-polar, OPTIMA 1701, 30 m L, 0.25 mm ID, 0.25 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726064_30-gc-column-low-polar-mid-polar-optima-1701-30-m-l-0-25-mm-id-0-5-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_aa766b58-6af2-4e19-9993-44e6cfb056b0.png?v=1740070435</image:loc>
      <image:title>GC column, Low polarâ€“Mid-polar, OPTIMA 1701, 30 m L, 0.25 mm ID, 0.5 Âµm df</image:title>
      <image:caption>GC column, Low polarâ€“Mid-polar, OPTIMA 1701, 30 m L, 0.25 mm ID, 0.5 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726841_25-gc-column-low-polar-mid-polar-optima-1701-25-m-l-0-20-mm-id-0-2-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_a644bea1-c29d-43ab-afe1-c4e4cc6c79f4.png?v=1740070435</image:loc>
      <image:title>GC column, Low polarâ€“Mid-polar, OPTIMA 1701, 25 m L, 0.20 mm ID, 0.2 Âµm df</image:title>
      <image:caption>GC column, Low polarâ€“Mid-polar, OPTIMA 1701, 25 m L, 0.20 mm ID, 0.2 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726965_30-gc-column-low-polar-mid-polar-optima-1701-30-m-l-0-25-mm-id-1-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_9663d047-6a6b-4bdb-b5c4-731672680663.png?v=1740070434</image:loc>
      <image:title>GC column, Low polarâ€“Mid-polar, OPTIMA 1701, 30 m L, 0.25 mm ID, 1 Âµm df</image:title>
      <image:caption>GC column, Low polarâ€“Mid-polar, OPTIMA 1701, 30 m L, 0.25 mm ID, 1 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726771_25-gc-column-low-polar-mid-polar-optima-1301-25-m-l-0-25-mm-id-0-25-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_c28d1846-de67-4f79-a79f-5c8d651b8b5b.png?v=1740070434</image:loc>
      <image:title>GC column, Low polarâ€“Mid-polar, OPTIMA 1301, 25 m L, 0.25 mm ID, 0.25 Âµm df</image:title>
      <image:caption>GC column, Low polarâ€“Mid-polar, OPTIMA 1301, 25 m L, 0.25 mm ID, 0.25 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726771_30-gc-column-low-polar-mid-polar-optima-1301-30-m-l-0-25-mm-id-0-25-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_323b6e3b-4a9a-4973-9359-802e6ee6ae3a.png?v=1740070434</image:loc>
      <image:title>GC column, Low polarâ€“Mid-polar, OPTIMA 1301, 30 m L, 0.25 mm ID, 0.25 Âµm df</image:title>
      <image:caption>GC column, Low polarâ€“Mid-polar, OPTIMA 1301, 30 m L, 0.25 mm ID, 0.25 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726784_25-gc-column-mid-polar-optima-624-25-m-l-0-20-mm-id-1-1-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_700534b6-84a5-4029-95d4-124d5871e4d3.png?v=1740070433</image:loc>
      <image:title>GC column, Mid-polar, OPTIMA 624, 25 m L, 0.20 mm ID, 1.1 Âµm df</image:title>
      <image:caption>GC column, Mid-polar, OPTIMA 624, 25 m L, 0.20 mm ID, 1.1 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726785_25-gc-column-mid-polar-optima-624-25-m-l-0-25-mm-id-1-4-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_a022ac47-98a6-4ce9-9573-89b6fb700a91.png?v=1740070433</image:loc>
      <image:title>GC column, Mid-polar, OPTIMA 624, 25 m L, 0.25 mm ID, 1.4 Âµm df</image:title>
      <image:caption>GC column, Mid-polar, OPTIMA 624, 25 m L, 0.25 mm ID, 1.4 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726785_30-gc-column-mid-polar-optima-624-30-m-l-0-25-mm-id-1-4-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_ef9f6822-6d7f-4caa-834d-ce5c764f55c0.png?v=1740070433</image:loc>
      <image:title>GC column, Mid-polar, OPTIMA 624, 30 m L, 0.25 mm ID, 1.4 Âµm df</image:title>
      <image:caption>GC column, Mid-polar, OPTIMA 624, 30 m L, 0.25 mm ID, 1.4 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726871_25-gc-column-mid-polar-polar-optima-210-25-m-l-0-25-mm-id-0-25-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_41c50bc7-7a86-46dc-bb7a-d0d0f986cb6c.png?v=1740070432</image:loc>
      <image:title>GC column, Mid-polarâ€“polar, OPTIMA 210, 25 m L, 0.25 mm ID, 0.25 Âµm df</image:title>
      <image:caption>GC column, Mid-polarâ€“polar, OPTIMA 210, 25 m L, 0.25 mm ID, 0.25 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726871_30-gc-column-mid-polar-polar-optima-210-30-m-l-0-25-mm-id-0-25-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_88f884b9-52f7-436c-8943-dc16bf5a451c.png?v=1740070432</image:loc>
      <image:title>GC column, Mid-polarâ€“polar, OPTIMA 210, 30 m L, 0.25 mm ID, 0.25 Âµm df</image:title>
      <image:caption>GC column, Mid-polarâ€“polar, OPTIMA 210, 30 m L, 0.25 mm ID, 0.25 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726874_30-gc-column-mid-polar-polar-optima-210-30-m-l-0-25-mm-id-0-5-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_9c762a66-898e-4fb8-9713-fa6e87361a1f.png?v=1740070432</image:loc>
      <image:title>GC column, Mid-polarâ€“polar, OPTIMA 210, 30 m L, 0.25 mm ID, 0.5 Âµm df</image:title>
      <image:caption>GC column, Mid-polarâ€“polar, OPTIMA 210, 30 m L, 0.25 mm ID, 0.5 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726118_25-gc-column-mid-polar-polar-optima-225-25-m-l-0-25-mm-id-0-25-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_0bf9c5c5-78ee-41e5-9623-cc6ba0ac26d3.png?v=1740070431</image:loc>
      <image:title>GC column, Mid-polarâ€“polar, OPTIMA 225, 25 m L, 0.25 mm ID, 0.25 Âµm df</image:title>
      <image:caption>GC column, Mid-polarâ€“polar, OPTIMA 225, 25 m L, 0.25 mm ID, 0.25 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726118_30-gc-column-mid-polar-polar-optima-225-30-m-l-0-25-mm-id-0-25-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_c2e8ec98-7834-4a50-88a5-833a93abf131.png?v=1740070431</image:loc>
      <image:title>GC column, Mid-polarâ€“polar, OPTIMA 225, 30 m L, 0.25 mm ID, 0.25 Âµm df</image:title>
      <image:caption>GC column, Mid-polarâ€“polar, OPTIMA 225, 30 m L, 0.25 mm ID, 0.25 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726089_30-gc-column-mid-polar-polar-optima-240-30-m-l-0-25-mm-id-0-25-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_08665b50-a71d-45be-b86b-409349d15371.png?v=1740070431</image:loc>
      <image:title>GC column, Mid-polarâ€“polar, OPTIMA 240, 30 m L, 0.25 mm ID, 0.25 Âµm df</image:title>
      <image:caption>GC column, Mid-polarâ€“polar, OPTIMA 240, 30 m L, 0.25 mm ID, 0.25 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726090_30-gc-column-mid-polar-polar-optima-240-30-m-l-0-25-mm-id-0-5-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_722580be-6cfc-4393-8db4-2879e3e5891b.png?v=1740070430</image:loc>
      <image:title>GC column, Mid-polarâ€“polar, OPTIMA 240, 30 m L, 0.25 mm ID, 0.5 Âµm df</image:title>
      <image:caption>GC column, Mid-polarâ€“polar, OPTIMA 240, 30 m L, 0.25 mm ID, 0.5 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726600_25-gc-column-polar-optima-wax-25-m-l-0-25-mm-id-0-25-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_f3924d5f-8c9b-4015-8be5-3f66f5cb9b07.png?v=1740070430</image:loc>
      <image:title>GC column, Polar, OPTIMA WAX, 25 m L, 0.25 mm ID, 0.25 Âµm df</image:title>
      <image:caption>GC column, Polar, OPTIMA WAX, 25 m L, 0.25 mm ID, 0.25 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726600_30-gc-column-polar-optima-wax-30-m-l-0-25-mm-id-0-25-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_0c994370-ab82-4e04-874b-adcd1300574a.png?v=1740070430</image:loc>
      <image:title>GC column, Polar, OPTIMA WAX, 30 m L, 0.25 mm ID, 0.25 Âµm df</image:title>
      <image:caption>GC column, Polar, OPTIMA WAX, 30 m L, 0.25 mm ID, 0.25 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726116_25-gc-column-polar-optima-ffap-25-m-l-0-25-mm-id-0-25-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_7dbe8f34-d2fc-476f-9f55-79264271f43a.png?v=1740070429</image:loc>
      <image:title>GC column, Polar, OPTIMA FFAP, 25 m L, 0.25 mm ID, 0.25 Âµm df</image:title>
      <image:caption>GC column, Polar, OPTIMA FFAP, 25 m L, 0.25 mm ID, 0.25 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726116_30-gc-column-polar-optima-ffap-30-m-l-0-25-mm-id-0-25-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_bf994dc4-f76b-4926-afc7-2d03da559d74.png?v=1740070429</image:loc>
      <image:title>GC column, Polar, OPTIMA FFAP, 30 m L, 0.25 mm ID, 0.25 Âµm df</image:title>
      <image:caption>GC column, Polar, OPTIMA FFAP, 30 m L, 0.25 mm ID, 0.25 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726241_30-gc-column-polar-optima-ffapplus-30-m-l-0-25-mm-id-0-25-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_56c83d22-d62a-4042-a93c-14a3ce37da7f.png?v=1740070429</image:loc>
      <image:title>GC column, Polar, OPTIMA FFAPplus, 30 m L, 0.25 mm ID, 0.25 Âµm df</image:title>
      <image:caption>GC column, Polar, OPTIMA FFAPplus, 30 m L, 0.25 mm ID, 0.25 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726242_30-gc-column-polar-optima-ffapplus-30-m-l-0-25-mm-id-0-5-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_790a06a6-b6f7-4e7f-b439-bf921b2b3fe2.png?v=1740070429</image:loc>
      <image:title>GC column, Polar, OPTIMA FFAPplus, 30 m L, 0.25 mm ID, 0.5 Âµm df</image:title>
      <image:caption>GC column, Polar, OPTIMA FFAPplus, 30 m L, 0.25 mm ID, 0.5 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760102_46-ec-hplc-column-analytical-nucleodur-c18-gravity-5-m-50x4-6-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_a351df0c-1bf1-46a9-98fd-dd3c769f0323.png?v=1740070428</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR C18 Gravity, 5 Âµm, 50x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR C18 Gravity, 5 &amp;micro;m, 50x4.6 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760106_46-ec-hplc-column-analytical-nucleodur-c18-gravity-5-m-75x4-6-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_5ad65e6f-9313-4ca1-aa13-44f57f4e9a26.png?v=1740070428</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR C18 Gravity, 5 Âµm, 75x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR C18 Gravity, 5 &amp;micro;m, 75x4.6 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760613_46-ec-hplc-column-analytical-nucleodur-c18-gravity-sb-5-m-50x4-6-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_8b22d43e-ffa5-4965-97c4-f5f3d3ce62e4.png?v=1740070427</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR C18 Gravity-SB, 5 Âµm, 50x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR C18 Gravity-SB, 5 &amp;micro;m, 50x4.6 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760615_46-ec-hplc-column-analytical-nucleodur-c18-gravity-sb-5-m-75x4-6-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_262271ca-7e7e-4a31-909a-992811da4e6f.png?v=1740070427</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR C18 Gravity-SB, 5 Âµm, 75x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR C18 Gravity-SB, 5 &amp;micro;m, 75x4.6 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760749_46-ec-hplc-column-analytical-nucleodur-c8-gravity-5-m-75x4-6-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_8a933b21-0a90-4dfd-837d-d11cfc6a27b9.png?v=1740070427</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR C8 Gravity, 5 Âµm, 75x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR C8 Gravity, 5 &amp;micro;m, 75x4.6 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760750_46-ec-hplc-column-analytical-nucleodur-c8-gravity-5-m-50x4-6-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_cabe11e8-f194-48f5-b1bd-ff1b6c0c564d.png?v=1740070426</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR C8 Gravity, 5 Âµm, 50x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR C8 Gravity, 5 &amp;micro;m, 50x4.6 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760620_46-ec-hplc-column-analytical-nucleodur-5-m-50x4-6-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_2a07348a-2edd-4eab-8d09-2fcf32c8ea28.png?v=1740070426</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR Ï€&amp;sup2;, 5 Âµm, 50x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR Ï€&amp;sup2;, 5 &amp;micro;m, 50x4.6 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760621_46-ec-hplc-column-analytical-nucleodur-5-m-75x4-6-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_e14351e2-0592-4c4f-9095-9fd5a1e54207.png?v=1740070426</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR Ï€&amp;sup2;, 5 Âµm, 75x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR Ï€&amp;sup2;, 5 &amp;micro;m, 75x4.6 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760410_46-ec-hplc-column-analytical-nucleodur-c18-isis-5-m-50x4-6-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_0013719a-662a-43ca-b1e9-d19556f10af2.png?v=1740070425</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR C18 Isis, 5 Âµm, 50x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR C18 Isis, 5 &amp;micro;m, 50x4.6 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760416_46-ec-hplc-column-analytical-nucleodur-c18-isis-5-m-75x4-6-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_6b469072-7b0d-4faa-8732-6810dccf92a9.png?v=1740070425</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR C18 Isis, 5 Âµm, 75x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR C18 Isis, 5 &amp;micro;m, 75x4.6 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760200_46-ec-hplc-column-analytical-nucleodur-c18-pyramid-5-m-50x4-6-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_54eec9e5-f5a2-46bb-a66b-c62e072e560e.png?v=1740070424</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR C18 Pyramid, 5 Âµm, 50x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR C18 Pyramid, 5 &amp;micro;m, 50x4.6 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760205_46-ec-hplc-column-analytical-nucleodur-c18-pyramid-5-m-75x4-6-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_dbc3b467-9d7c-4e5d-9881-94d201d8f0ce.png?v=1740070424</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR C18 Pyramid, 5 Âµm, 75x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR C18 Pyramid, 5 &amp;micro;m, 75x4.6 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760800_46-ec-hplc-column-analytical-nucleodur-sphinx-rp-5-m-50x4-6-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_431d3cb2-18b9-4df0-854d-374e81d037ac.png?v=1740070424</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR Sphinx RP, 5 Âµm, 50x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR Sphinx RP, 5 &amp;micro;m, 50x4.6 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760815_46-ec-hplc-column-analytical-nucleodur-sphinx-rp-5-m-75x4-6-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_91d719da-de5e-4af8-a037-104c2358f9a4.png?v=1740070423</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR Sphinx RP, 5 Âµm, 75x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR Sphinx RP, 5 &amp;micro;m, 75x4.6 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760311_46-ec-hplc-column-analytical-nucleodur-c18-htec-5-m-50x4-6-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_4e482012-4e7d-42d6-98de-92c7cf5c24c5.png?v=1740070423</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR C18 HTec, 5 Âµm, 50x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR C18 HTec, 5 &amp;micro;m, 50x4.6 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760312_46-ec-hplc-column-analytical-nucleodur-c18-htec-5-m-75x4-6-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_df5e16c0-29e4-431f-a0d9-58bc24c74241.png?v=1740070423</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR C18 HTec, 5 Âµm, 75x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR C18 HTec, 5 &amp;micro;m, 75x4.6 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760483_46-ec-hplc-column-analytical-nucleodur-polartec-5-m-50x4-6-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_cb1624d6-4ed7-429e-b5fc-ac19ab23d4f4.png?v=1740070422</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR PolarTec, 5 Âµm, 50x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR PolarTec, 5 &amp;micro;m, 50x4.6 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760485_46-ec-hplc-column-analytical-nucleodur-polartec-5-m-75x4-6-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_012d895e-785f-4676-9b7e-de2d8df88c44.png?v=1740070422</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR PolarTec, 5 Âµm, 75x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR PolarTec, 5 &amp;micro;m, 75x4.6 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760453_46-ec-hplc-column-analytical-nucleodur-pfp-5-m-50x4-6-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_15f47c10-038f-4704-9c83-3dd5396c7b34.png?v=1740070421</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR PFP, 5 Âµm, 50x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR PFP, 5 &amp;micro;m, 50x4.6 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760455_46-ec-hplc-column-analytical-nucleodur-pfp-5-m-75x4-6-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_e9c117bc-9399-4001-9441-c830fc986907.png?v=1740070421</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR PFP, 5 Âµm, 75x4.6 mm</image:title>
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    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_81c99d05-eaef-4e65-bcb5-b0434ab589a0.png?v=1740070402</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR Phenyl-Hexyl, 5 Âµm, 150x2 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR Phenyl-Hexyl, 5 &amp;micro;m, 150x2 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760551_20-ec-hplc-column-analytical-nucleodur-hilic-5-m-125x2-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_edf6c82d-6772-4f9d-980c-948821f2865d.png?v=1740070401</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR HILIC, 5 Âµm, 125x2 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR HILIC, 5 &amp;micro;m, 125x2 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760553_20-ec-hplc-column-analytical-nucleodur-hilic-5-m-150x2-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_eaede78a-96bd-4bb1-90cc-8c22874403fa.png?v=1740070401</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR HILIC, 5 Âµm, 150x2 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR HILIC, 5 &amp;micro;m, 150x2 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760554_20-ec-hplc-column-analytical-nucleodur-hilic-5-m-100x2-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_013ebf16-7c8a-48c5-95e1-e50387ee6612.png?v=1740070401</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR HILIC, 5 Âµm, 100x2 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR HILIC, 5 &amp;micro;m, 100x2 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760624_20-ec-hplc-column-analytical-nucleodur-5-m-150x2-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_eea52c20-92d1-4f2d-bf4b-9ed91eccf5ed.png?v=1740070400</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR Ï€&amp;sup2;, 5 Âµm, 150x2 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR Ï€&amp;sup2;, 5 &amp;micro;m, 150x2 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/730013_250-spe-columns-chromabond-c18-ec-45-m-3-ml-500-mg</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/Place_holder_34f17d25-a18c-4929-9833-25d3521b960d.jpg?v=1740070400</image:loc>
      <image:title>SPE columns, CHROMABOND C18 ec, 45 Âµm, 3 mL/500 mg</image:title>
      <image:caption>SPE columns, CHROMABOND C18 ec, 45 &amp;micro;m, 3 mL/500 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/730003_250-spe-columns-chromabond-c18-45-m-3-ml-500-mg</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/Place_holder_64cc80f3-bbe0-4b3b-942b-8451f006f5d3.jpg?v=1740070399</image:loc>
      <image:title>SPE columns, CHROMABOND C18, 45 Âµm, 3 mL/500 mg</image:title>
      <image:caption>SPE columns, CHROMABOND C18, 45 &amp;micro;m, 3 mL/500 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/732705-chromabond-flash-rs-120-sioh-cartridges-15-40-m-120-g</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/Flash_CHROMABOND_RS_columns_cartridge_PP_white_closure_overview_chromatography_2_dfe61ffd-4fba-45d4-9b87-7c4d42bdd201.png?v=1740070399</image:loc>
      <image:title>CHROMABOND Flash RS 120 SiOH cartridges, 15â€“40 Âµm, 120 g</image:title>
      <image:caption>CHROMABOND Flash RS 120 SiOH cartridges, 15â€“40 &amp;micro;m, 120 g</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/815600_1-lc-packing-material-adsorbents-bulk-polyamide-0-1-0-3-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/Place_holder_714bf2ee-bbb8-45c8-b2e8-52aceea47b10.jpg?v=1740070399</image:loc>
      <image:title>LC packing material (adsorbents, bulk), Polyamide, 0.1â€“0.3 mm</image:title>
      <image:caption>LC packing material (adsorbents, bulk), Polyamide, 0.1â€“0.3 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/732704-chromabond-flash-rs-80-sioh-cartridges-15-40-m-80-g</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/Flash_CHROMABOND_RS_columns_cartridge_PP_white_closure_overview_chromatography_2_6d9b13e8-1928-456a-b0cc-faf372c00aeb.png?v=1740070398</image:loc>
      <image:title>CHROMABOND Flash RS 80 SiOH cartridges, 15â€“40 Âµm, 80 g</image:title>
      <image:caption>CHROMABOND Flash RS 80 SiOH cartridges, 15â€“40 &amp;micro;m, 80 g</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/732808-chromabond-flash-rs-800-sioh-cartridges-40-63-m-800-g</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/Flash_CHROMABOND_RS_columns_cartridge_PP_white_closure_overview_chromatography_2_e352700d-127d-4268-a1d0-5afb74d3f64a.png?v=1740070398</image:loc>
      <image:title>CHROMABOND Flash RS 800 SiOH cartridges, 40â€“63 Âµm, 800 g</image:title>
      <image:caption>CHROMABOND Flash RS 800 SiOH cartridges, 40â€“63 &amp;micro;m, 800 g</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726301_25-gc-column-nonpolar-optima-1-25-m-l-0-32-mm-id-0-1-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_72ea584b-dd4c-4d21-b426-9bfb403f5de8.png?v=1740070398</image:loc>
      <image:title>GC column, Nonpolar, OPTIMA 1, 25 m L, 0.32 mm ID, 0.1 Âµm df</image:title>
      <image:caption>GC column, Nonpolar, OPTIMA 1, 25 m L, 0.32 mm ID, 0.1 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726301_30-gc-column-nonpolar-optima-1-30-m-l-0-32-mm-id-0-1-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_acc7a7c5-f09c-4fb7-8876-1a8a15b1eba2.png?v=1740070397</image:loc>
      <image:title>GC column, Nonpolar, OPTIMA 1, 30 m L, 0.32 mm ID, 0.1 Âµm df</image:title>
      <image:caption>GC column, Nonpolar, OPTIMA 1, 30 m L, 0.32 mm ID, 0.1 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726302_25-gc-column-nonpolar-optima-1-25-m-l-0-32-mm-id-0-25-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_45f5251a-7877-4edf-bc06-1cfac4c795c4.png?v=1740070397</image:loc>
      <image:title>GC column, Nonpolar, OPTIMA 1, 25 m L, 0.32 mm ID, 0.25 Âµm df</image:title>
      <image:caption>GC column, Nonpolar, OPTIMA 1, 25 m L, 0.32 mm ID, 0.25 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726302_30-gc-column-nonpolar-optima-1-30-m-l-0-32-mm-id-0-25-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_e63a07be-6260-4620-adc4-d62a31517a26.png?v=1740070397</image:loc>
      <image:title>GC column, Nonpolar, OPTIMA 1, 30 m L, 0.32 mm ID, 0.25 Âµm df</image:title>
      <image:caption>GC column, Nonpolar, OPTIMA 1, 30 m L, 0.32 mm ID, 0.25 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726304_25-gc-column-nonpolar-optima-1-25-m-l-0-32-mm-id-0-5-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_e14f9753-661a-4f9e-9de0-50faa04e4c2a.png?v=1740070397</image:loc>
      <image:title>GC column, Nonpolar, OPTIMA 1, 25 m L, 0.32 mm ID, 0.5 Âµm df</image:title>
      <image:caption>GC column, Nonpolar, OPTIMA 1, 25 m L, 0.32 mm ID, 0.5 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726304_30-gc-column-nonpolar-optima-1-30-m-l-0-32-mm-id-0-5-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_b1f46ec3-07e1-4fcf-8c15-bcfcf33203dd.png?v=1740070396</image:loc>
      <image:title>GC column, Nonpolar, OPTIMA 1, 30 m L, 0.32 mm ID, 0.5 Âµm df</image:title>
      <image:caption>GC column, Nonpolar, OPTIMA 1, 30 m L, 0.32 mm ID, 0.5 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726323_25-gc-column-nonpolar-optima-1-25-m-l-0-32-mm-id-1-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_65f9903e-c7b1-415d-b063-7db198d3edbe.png?v=1740070396</image:loc>
      <image:title>GC column, Nonpolar, OPTIMA 1, 25 m L, 0.32 mm ID, 1 Âµm df</image:title>
      <image:caption>GC column, Nonpolar, OPTIMA 1, 25 m L, 0.32 mm ID, 1 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726323_30-gc-column-nonpolar-optima-1-30-m-l-0-32-mm-id-1-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_4e620b29-2d13-4d48-9a5e-ef37de94bc3b.png?v=1740070396</image:loc>
      <image:title>GC column, Nonpolar, OPTIMA 1, 30 m L, 0.32 mm ID, 1 Âµm df</image:title>
      <image:caption>GC column, Nonpolar, OPTIMA 1, 30 m L, 0.32 mm ID, 1 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726805_25-gc-column-nonpolar-optima-1-25-m-l-0-32-mm-id-3-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_1034360a-44af-4307-a073-22a33bfbec0a.png?v=1740070395</image:loc>
      <image:title>GC column, Nonpolar, OPTIMA 1, 25 m L, 0.32 mm ID, 3 Âµm df</image:title>
      <image:caption>GC column, Nonpolar, OPTIMA 1, 25 m L, 0.32 mm ID, 3 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726805_30-gc-column-nonpolar-optima-1-30-m-l-0-32-mm-id-3-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_05d1fcd1-f447-4464-9149-51b804904ca7.png?v=1740070395</image:loc>
      <image:title>GC column, Nonpolar, OPTIMA 1, 30 m L, 0.32 mm ID, 3 Âµm df</image:title>
      <image:caption>GC column, Nonpolar, OPTIMA 1, 30 m L, 0.32 mm ID, 3 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726821_25-gc-column-nonpolar-optima-1-25-m-l-0-32-mm-id-0-35-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_fc03a233-92d3-4dc9-a023-9c616b09ba71.png?v=1740070394</image:loc>
      <image:title>GC column, Nonpolar, OPTIMA 1, 25 m L, 0.32 mm ID, 0.35 Âµm df</image:title>
      <image:caption>GC column, Nonpolar, OPTIMA 1, 25 m L, 0.32 mm ID, 0.35 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726821_30-gc-column-nonpolar-optima-1-30-m-l-0-32-mm-id-0-35-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_8edbbd15-0d80-4073-ba98-34065dda5a2c.png?v=1740070394</image:loc>
      <image:title>GC column, Nonpolar, OPTIMA 1, 30 m L, 0.32 mm ID, 0.35 Âµm df</image:title>
      <image:caption>GC column, Nonpolar, OPTIMA 1, 30 m L, 0.32 mm ID, 0.35 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726931_25-gc-column-nonpolar-optima-1-25-m-l-0-32-mm-id-5-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_c5b7aee7-dd0d-4b8a-8f4e-659145562761.png?v=1740070393</image:loc>
      <image:title>GC column, Nonpolar, OPTIMA 1, 25 m L, 0.32 mm ID, 5 Âµm df</image:title>
      <image:caption>GC column, Nonpolar, OPTIMA 1, 25 m L, 0.32 mm ID, 5 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726931_30-gc-column-nonpolar-optima-1-30-m-l-0-32-mm-id-5-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_42f876df-7df5-4db3-b07e-489885109b96.png?v=1740070393</image:loc>
      <image:title>GC column, Nonpolar, OPTIMA 1, 30 m L, 0.32 mm ID, 5 Âµm df</image:title>
      <image:caption>GC column, Nonpolar, OPTIMA 1, 30 m L, 0.32 mm ID, 5 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726132_25-gc-column-nonpolar-optima-1-tg-25-m-l-0-32-mm-id-proprietary-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_d0248b8f-bf7c-4527-8578-10ebb794c26b.png?v=1740070392</image:loc>
      <image:title>GC column, Nonpolar, OPTIMA 1 TG, 25 m L, 0.32 mm ID, proprietary df</image:title>
      <image:caption>GC column, Nonpolar, OPTIMA 1 TG, 25 m L, 0.32 mm ID, proprietary df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726131_25-gc-column-mid-polar-optima-17-tg-25-m-l-0-32-mm-id-proprietary-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_f4f641ef-f7e4-4d1b-be87-2cf30bc02089.png?v=1740070392</image:loc>
      <image:title>GC column, Mid-polar, OPTIMA 17 TG, 25 m L, 0.32 mm ID, proprietary df</image:title>
      <image:caption>GC column, Mid-polar, OPTIMA 17 TG, 25 m L, 0.32 mm ID, proprietary df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726313_25-gc-column-nonpolar-low-polar-optima-5-25-m-l-0-32-mm-id-0-1-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_23be12b6-b885-4990-bd1c-6cb5034d3f92.png?v=1740070391</image:loc>
      <image:title>GC column, Nonpolarâ€“low polar, OPTIMA 5, 25 m L, 0.32 mm ID, 0.1 Âµm df</image:title>
      <image:caption>GC column, Nonpolarâ€“low polar, OPTIMA 5, 25 m L, 0.32 mm ID, 0.1 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726313_30-gc-column-nonpolar-low-polar-optima-5-30-m-l-0-32-mm-id-0-1-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_70cba3c4-1e2e-4064-ac36-b79a51b17b7c.png?v=1740070391</image:loc>
      <image:title>GC column, Nonpolarâ€“low polar, OPTIMA 5, 30 m L, 0.32 mm ID, 0.1 Âµm df</image:title>
      <image:caption>GC column, Nonpolarâ€“low polar, OPTIMA 5, 30 m L, 0.32 mm ID, 0.1 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726314_25-gc-column-nonpolar-low-polar-optima-5-25-m-l-0-32-mm-id-0-25-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_ac7fc9cb-d339-458a-a700-233663817b9d.png?v=1740070391</image:loc>
      <image:title>GC column, Nonpolarâ€“low polar, OPTIMA 5, 25 m L, 0.32 mm ID, 0.25 Âµm df</image:title>
      <image:caption>GC column, Nonpolarâ€“low polar, OPTIMA 5, 25 m L, 0.32 mm ID, 0.25 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726314_30-gc-column-nonpolar-low-polar-optima-5-30-m-l-0-32-mm-id-0-25-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_2cc6c9e3-fb6d-401c-bd15-e1ee36350e4a.png?v=1740070390</image:loc>
      <image:title>GC column, Nonpolarâ€“low polar, OPTIMA 5, 30 m L, 0.32 mm ID, 0.25 Âµm df</image:title>
      <image:caption>GC column, Nonpolarâ€“low polar, OPTIMA 5, 30 m L, 0.32 mm ID, 0.25 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726316_25-gc-column-nonpolar-low-polar-optima-5-25-m-l-0-32-mm-id-0-5-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_cd340a0a-a4f3-45f1-8ce3-90ef6aca13f5.png?v=1740070390</image:loc>
      <image:title>GC column, Nonpolarâ€“low polar, OPTIMA 5, 25 m L, 0.32 mm ID, 0.5 Âµm df</image:title>
      <image:caption>GC column, Nonpolarâ€“low polar, OPTIMA 5, 25 m L, 0.32 mm ID, 0.5 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726316_30-gc-column-nonpolar-low-polar-optima-5-30-m-l-0-32-mm-id-0-5-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_5b1ffacf-c392-403a-be38-ea51d600511a.png?v=1740070389</image:loc>
      <image:title>GC column, Nonpolarâ€“low polar, OPTIMA 5, 30 m L, 0.32 mm ID, 0.5 Âµm df</image:title>
      <image:caption>GC column, Nonpolarâ€“low polar, OPTIMA 5, 30 m L, 0.32 mm ID, 0.5 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726325_25-gc-column-nonpolar-low-polar-optima-5-25-m-l-0-32-mm-id-1-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_a8b4d0b0-73f5-4075-9e21-5ed435159e0f.png?v=1740070389</image:loc>
      <image:title>GC column, Nonpolarâ€“low polar, OPTIMA 5, 25 m L, 0.32 mm ID, 1 Âµm df</image:title>
      <image:caption>GC column, Nonpolarâ€“low polar, OPTIMA 5, 25 m L, 0.32 mm ID, 1 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726325_30-gc-column-nonpolar-low-polar-optima-5-30-m-l-0-32-mm-id-1-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_dd74f28c-c2da-432c-a534-f35ba2432441.png?v=1740070388</image:loc>
      <image:title>GC column, Nonpolarâ€“low polar, OPTIMA 5, 30 m L, 0.32 mm ID, 1 Âµm df</image:title>
      <image:caption>GC column, Nonpolarâ€“low polar, OPTIMA 5, 30 m L, 0.32 mm ID, 1 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726628_25-gc-column-nonpolar-low-polar-optima-5-25-m-l-0-32-mm-id-0-35-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_749744ba-24ab-40e8-b527-4965af91e942.png?v=1740070388</image:loc>
      <image:title>GC column, Nonpolarâ€“low polar, OPTIMA 5, 25 m L, 0.32 mm ID, 0.35 Âµm df</image:title>
      <image:caption>GC column, Nonpolarâ€“low polar, OPTIMA 5, 25 m L, 0.32 mm ID, 0.35 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726628_30-gc-column-nonpolar-low-polar-optima-5-30-m-l-0-32-mm-id-0-35-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_5221a80d-85f8-468a-b660-9e21b3af412b.png?v=1740070387</image:loc>
      <image:title>GC column, Nonpolarâ€“low polar, OPTIMA 5, 30 m L, 0.32 mm ID, 0.35 Âµm df</image:title>
      <image:caption>GC column, Nonpolarâ€“low polar, OPTIMA 5, 30 m L, 0.32 mm ID, 0.35 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726809_25-gc-column-nonpolar-low-polar-optima-5-25-m-l-0-32-mm-id-3-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_073f2a17-5111-4905-a1b3-23a7729944c6.png?v=1740070387</image:loc>
      <image:title>GC column, Nonpolarâ€“low polar, OPTIMA 5, 25 m L, 0.32 mm ID, 3 Âµm df</image:title>
      <image:caption>GC column, Nonpolarâ€“low polar, OPTIMA 5, 25 m L, 0.32 mm ID, 3 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726809_30-gc-column-nonpolar-low-polar-optima-5-30-m-l-0-32-mm-id-3-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_bba186c1-7388-40b1-a23b-344852b7fc8a.png?v=1740070387</image:loc>
      <image:title>GC column, Nonpolarâ€“low polar, OPTIMA 5, 30 m L, 0.32 mm ID, 3 Âµm df</image:title>
      <image:caption>GC column, Nonpolarâ€“low polar, OPTIMA 5, 30 m L, 0.32 mm ID, 3 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726934_25-gc-column-nonpolar-low-polar-optima-5-25-m-l-0-32-mm-id-5-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_449ac35d-0f4c-4605-8090-7e5993aae3aa.png?v=1740070386</image:loc>
      <image:title>GC column, Nonpolarâ€“low polar, OPTIMA 5, 25 m L, 0.32 mm ID, 5 Âµm df</image:title>
      <image:caption>GC column, Nonpolarâ€“low polar, OPTIMA 5, 25 m L, 0.32 mm ID, 5 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726934_30-gc-column-nonpolar-low-polar-optima-5-30-m-l-0-32-mm-id-5-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_42828577-e0db-47f5-99b1-884877749e6a.png?v=1740070386</image:loc>
      <image:title>GC column, Nonpolarâ€“low polar, OPTIMA 5, 30 m L, 0.32 mm ID, 5 Âµm df</image:title>
      <image:caption>GC column, Nonpolarâ€“low polar, OPTIMA 5, 30 m L, 0.32 mm ID, 5 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726351_25-gc-column-mid-polar-optima-17-25-m-l-0-32-mm-id-0-25-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_db16ef50-ee22-498b-b740-191a8b5e7279.png?v=1740070386</image:loc>
      <image:title>GC column, Mid-polar, OPTIMA 17, 25 m L, 0.32 mm ID, 0.25 Âµm df</image:title>
      <image:caption>GC column, Mid-polar, OPTIMA 17, 25 m L, 0.32 mm ID, 0.25 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726351_30-gc-column-mid-polar-optima-17-30-m-l-0-32-mm-id-0-25-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_3c2c0e3b-05d3-42fc-9165-0b528bda11e4.png?v=1740070386</image:loc>
      <image:title>GC column, Mid-polar, OPTIMA 17, 30 m L, 0.32 mm ID, 0.25 Âµm df</image:title>
      <image:caption>GC column, Mid-polar, OPTIMA 17, 30 m L, 0.32 mm ID, 0.25 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726744_25-gc-column-mid-polar-optima-17-25-m-l-0-32-mm-id-0-5-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_fbc89ab7-ad33-432d-92cc-cad95514b816.png?v=1740070385</image:loc>
      <image:title>GC column, Mid-polar, OPTIMA 17, 25 m L, 0.32 mm ID, 0.5 Âµm df</image:title>
      <image:caption>GC column, Mid-polar, OPTIMA 17, 25 m L, 0.32 mm ID, 0.5 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726744_30-gc-column-mid-polar-optima-17-30-m-l-0-32-mm-id-0-5-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_e0b47137-ea56-4c04-94f4-cc3ee4283584.png?v=1740070385</image:loc>
      <image:title>GC column, Mid-polar, OPTIMA 17, 30 m L, 0.32 mm ID, 0.5 Âµm df</image:title>
      <image:caption>GC column, Mid-polar, OPTIMA 17, 30 m L, 0.32 mm ID, 0.5 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726755_30-gc-column-mid-polar-optima-17-30-m-l-0-32-mm-id-0-15-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_0167a111-fe9f-4b60-8030-8f3c009b8678.png?v=1740070385</image:loc>
      <image:title>GC column, Mid-polar, OPTIMA 17, 30 m L, 0.32 mm ID, 0.15 Âµm df</image:title>
      <image:caption>GC column, Mid-polar, OPTIMA 17, 30 m L, 0.32 mm ID, 0.15 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726757_25-gc-column-mid-polar-optima-17-25-m-l-0-32-mm-id-0-35-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_89f1eb68-36cd-4676-9892-feef306869b5.png?v=1740070384</image:loc>
      <image:title>GC column, Mid-polar, OPTIMA 17, 25 m L, 0.32 mm ID, 0.35 Âµm df</image:title>
      <image:caption>GC column, Mid-polar, OPTIMA 17, 25 m L, 0.32 mm ID, 0.35 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726757_30-gc-column-mid-polar-optima-17-30-m-l-0-32-mm-id-0-35-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_7ca92b41-20a8-497a-b9f9-a96e094155d3.png?v=1740070384</image:loc>
      <image:title>GC column, Mid-polar, OPTIMA 17, 30 m L, 0.32 mm ID, 0.35 Âµm df</image:title>
      <image:caption>GC column, Mid-polar, OPTIMA 17, 30 m L, 0.32 mm ID, 0.35 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726318_25-gc-column-low-polar-mid-polar-optima-1701-25-m-l-0-32-mm-id-0-25-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_b8043ebc-e5bc-4032-bc3a-384b3fdbe00f.png?v=1740070384</image:loc>
      <image:title>GC column, Low polarâ€“Mid-polar, OPTIMA 1701, 25 m L, 0.32 mm ID, 0.25 Âµm df</image:title>
      <image:caption>GC column, Low polarâ€“Mid-polar, OPTIMA 1701, 25 m L, 0.32 mm ID, 0.25 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726318_30-gc-column-low-polar-mid-polar-optima-1701-30-m-l-0-32-mm-id-0-25-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_e9ea0ea2-50bc-42d6-9098-334d8a646ec8.png?v=1740070383</image:loc>
      <image:title>GC column, Low polarâ€“Mid-polar, OPTIMA 1701, 30 m L, 0.32 mm ID, 0.25 Âµm df</image:title>
      <image:caption>GC column, Low polarâ€“Mid-polar, OPTIMA 1701, 30 m L, 0.32 mm ID, 0.25 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726320_25-gc-column-low-polar-mid-polar-optima-1701-25-m-l-0-32-mm-id-0-5-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_21725d2d-b71e-4e55-89af-a415a8a404a3.png?v=1740070383</image:loc>
      <image:title>GC column, Low polarâ€“Mid-polar, OPTIMA 1701, 25 m L, 0.32 mm ID, 0.5 Âµm df</image:title>
      <image:caption>GC column, Low polarâ€“Mid-polar, OPTIMA 1701, 25 m L, 0.32 mm ID, 0.5 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726320_30-gc-column-low-polar-mid-polar-optima-1701-30-m-l-0-32-mm-id-0-5-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_736041f5-575f-4dfd-a9b3-9f7d3906deed.png?v=1740070383</image:loc>
      <image:title>GC column, Low polarâ€“Mid-polar, OPTIMA 1701, 30 m L, 0.32 mm ID, 0.5 Âµm df</image:title>
      <image:caption>GC column, Low polarâ€“Mid-polar, OPTIMA 1701, 30 m L, 0.32 mm ID, 0.5 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726824_25-gc-column-low-polar-mid-polar-optima-1701-25-m-l-0-32-mm-id-0-35-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_cc6ebc9c-c2b5-40e4-9f15-f426254a1ae2.png?v=1740070382</image:loc>
      <image:title>GC column, Low polarâ€“Mid-polar, OPTIMA 1701, 25 m L, 0.32 mm ID, 0.35 Âµm df</image:title>
      <image:caption>GC column, Low polarâ€“Mid-polar, OPTIMA 1701, 25 m L, 0.32 mm ID, 0.35 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726824_30-gc-column-low-polar-mid-polar-optima-1701-30-m-l-0-32-mm-id-0-35-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_09b7c142-6461-48bd-94ca-09d8fcea2d51.png?v=1740070382</image:loc>
      <image:title>GC column, Low polarâ€“Mid-polar, OPTIMA 1701, 30 m L, 0.32 mm ID, 0.35 Âµm df</image:title>
      <image:caption>GC column, Low polarâ€“Mid-polar, OPTIMA 1701, 30 m L, 0.32 mm ID, 0.35 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726929_25-gc-column-low-polar-mid-polar-optima-1701-25-m-l-0-32-mm-id-1-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_83a64972-fc07-4594-b852-e5ff5c641cf6.png?v=1740070382</image:loc>
      <image:title>GC column, Low polarâ€“Mid-polar, OPTIMA 1701, 25 m L, 0.32 mm ID, 1 Âµm df</image:title>
      <image:caption>GC column, Low polarâ€“Mid-polar, OPTIMA 1701, 25 m L, 0.32 mm ID, 1 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726929_30-gc-column-low-polar-mid-polar-optima-1701-30-m-l-0-32-mm-id-1-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_9d2893d6-095b-4c74-86aa-4b43b8127783.png?v=1740070382</image:loc>
      <image:title>GC column, Low polarâ€“Mid-polar, OPTIMA 1701, 30 m L, 0.32 mm ID, 1 Âµm df</image:title>
      <image:caption>GC column, Low polarâ€“Mid-polar, OPTIMA 1701, 30 m L, 0.32 mm ID, 1 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726777_25-gc-column-low-polar-mid-polar-optima-1301-25-m-l-0-32-mm-id-0-25-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_9b937e8b-ebbf-4de2-a1a2-50851016b06f.png?v=1740070381</image:loc>
      <image:title>GC column, Low polarâ€“Mid-polar, OPTIMA 1301, 25 m L, 0.32 mm ID, 0.25 Âµm df</image:title>
      <image:caption>GC column, Low polarâ€“Mid-polar, OPTIMA 1301, 25 m L, 0.32 mm ID, 0.25 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726777_30-gc-column-low-polar-mid-polar-optima-1301-30-m-l-0-32-mm-id-0-25-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_a1007dc1-7e55-4166-9044-06550b7220d2.png?v=1740070381</image:loc>
      <image:title>GC column, Low polarâ€“Mid-polar, OPTIMA 1301, 30 m L, 0.32 mm ID, 0.25 Âµm df</image:title>
      <image:caption>GC column, Low polarâ€“Mid-polar, OPTIMA 1301, 30 m L, 0.32 mm ID, 0.25 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726780_30-gc-column-low-polar-mid-polar-optima-1301-30-m-l-0-32-mm-id-1-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_5bc28dfa-f2a5-4283-97a2-daa66c303996.png?v=1740070381</image:loc>
      <image:title>GC column, Low polarâ€“Mid-polar, OPTIMA 1301, 30 m L, 0.32 mm ID, 1 Âµm df</image:title>
      <image:caption>GC column, Low polarâ€“Mid-polar, OPTIMA 1301, 30 m L, 0.32 mm ID, 1 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726787_25-gc-column-mid-polar-optima-624-25-m-l-0-32-mm-id-1-8-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_ca33bc74-754f-4dc1-84ed-305c0fee6428.png?v=1740070380</image:loc>
      <image:title>GC column, Mid-polar, OPTIMA 624, 25 m L, 0.32 mm ID, 1.8 Âµm df</image:title>
      <image:caption>GC column, Mid-polar, OPTIMA 624, 25 m L, 0.32 mm ID, 1.8 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726787_30-gc-column-mid-polar-optima-624-30-m-l-0-32-mm-id-1-8-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_1eb53f02-ee57-4498-8cad-65e9a09db9d6.png?v=1740070380</image:loc>
      <image:title>GC column, Mid-polar, OPTIMA 624, 30 m L, 0.32 mm ID, 1.8 Âµm df</image:title>
      <image:caption>GC column, Mid-polar, OPTIMA 624, 30 m L, 0.32 mm ID, 1.8 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726877_30-gc-column-mid-polar-polar-optima-210-30-m-l-0-32-mm-id-0-25-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_9201ab61-f775-47d7-99f7-2fecaa688a9b.png?v=1740070380</image:loc>
      <image:title>GC column, Mid-polarâ€“polar, OPTIMA 210, 30 m L, 0.32 mm ID, 0.25 Âµm df</image:title>
      <image:caption>GC column, Mid-polarâ€“polar, OPTIMA 210, 30 m L, 0.32 mm ID, 0.25 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726880_25-gc-column-mid-polar-polar-optima-210-25-m-l-0-32-mm-id-0-5-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_b90f72d4-b3c0-45ed-9a73-e8ccb1c7b0c1.png?v=1740070379</image:loc>
      <image:title>GC column, Mid-polarâ€“polar, OPTIMA 210, 25 m L, 0.32 mm ID, 0.5 Âµm df</image:title>
      <image:caption>GC column, Mid-polarâ€“polar, OPTIMA 210, 25 m L, 0.32 mm ID, 0.5 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726880_30-gc-column-mid-polar-polar-optima-210-30-m-l-0-32-mm-id-0-5-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_81bc0392-dce8-4104-8513-47bf25299799.png?v=1740070379</image:loc>
      <image:title>GC column, Mid-polarâ€“polar, OPTIMA 210, 30 m L, 0.32 mm ID, 0.5 Âµm df</image:title>
      <image:caption>GC column, Mid-polarâ€“polar, OPTIMA 210, 30 m L, 0.32 mm ID, 0.5 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726352_25-gc-column-mid-polar-polar-optima-225-25-m-l-0-32-mm-id-0-25-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_10bca48d-a772-45c2-ae23-833750b5cfc5.png?v=1740070379</image:loc>
      <image:title>GC column, Mid-polarâ€“polar, OPTIMA 225, 25 m L, 0.32 mm ID, 0.25 Âµm df</image:title>
      <image:caption>GC column, Mid-polarâ€“polar, OPTIMA 225, 25 m L, 0.32 mm ID, 0.25 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726352_30-gc-column-mid-polar-polar-optima-225-30-m-l-0-32-mm-id-0-25-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_05a7470d-d0ce-4ae9-9204-31bb9a6eebdd.png?v=1740070378</image:loc>
      <image:title>GC column, Mid-polarâ€“polar, OPTIMA 225, 30 m L, 0.32 mm ID, 0.25 Âµm df</image:title>
      <image:caption>GC column, Mid-polarâ€“polar, OPTIMA 225, 30 m L, 0.32 mm ID, 0.25 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726091_25-gc-column-mid-polar-polar-optima-240-25-m-l-0-32-mm-id-0-25-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_f08d948d-410a-4f5e-8c6c-21269e291dd4.png?v=1740070378</image:loc>
      <image:title>GC column, Mid-polarâ€“polar, OPTIMA 240, 25 m L, 0.32 mm ID, 0.25 Âµm df</image:title>
      <image:caption>GC column, Mid-polarâ€“polar, OPTIMA 240, 25 m L, 0.32 mm ID, 0.25 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726091_30-gc-column-mid-polar-polar-optima-240-30-m-l-0-32-mm-id-0-25-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_3ddfb861-318e-4ec2-82b0-da7ccd54eb58.png?v=1740070378</image:loc>
      <image:title>GC column, Mid-polarâ€“polar, OPTIMA 240, 30 m L, 0.32 mm ID, 0.25 Âµm df</image:title>
      <image:caption>GC column, Mid-polarâ€“polar, OPTIMA 240, 30 m L, 0.32 mm ID, 0.25 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726095_30-gc-column-mid-polar-polar-optima-240-30-m-l-0-32-mm-id-0-35-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_12ed6410-f8c5-41b1-8128-2d90beeca3a3.png?v=1740070377</image:loc>
      <image:title>GC column, Mid-polarâ€“polar, OPTIMA 240, 30 m L, 0.32 mm ID, 0.35 Âµm df</image:title>
      <image:caption>GC column, Mid-polarâ€“polar, OPTIMA 240, 30 m L, 0.32 mm ID, 0.35 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726096_30-gc-column-mid-polar-polar-optima-240-30-m-l-0-32-mm-id-0-5-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_5674be84-b19d-4df2-91f8-4c93f8b92ccc.png?v=1740070377</image:loc>
      <image:title>GC column, Mid-polarâ€“polar, OPTIMA 240, 30 m L, 0.32 mm ID, 0.5 Âµm df</image:title>
      <image:caption>GC column, Mid-polarâ€“polar, OPTIMA 240, 30 m L, 0.32 mm ID, 0.5 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726296_25-gc-column-polar-optima-wax-25-m-l-0-32-mm-id-0-5-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_cca475d2-f5f4-475c-998a-e8099ee6f337.png?v=1740070377</image:loc>
      <image:title>GC column, Polar, OPTIMA WAX, 25 m L, 0.32 mm ID, 0.5 Âµm df</image:title>
      <image:caption>GC column, Polar, OPTIMA WAX, 25 m L, 0.32 mm ID, 0.5 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726296_30-gc-column-polar-optima-wax-30-m-l-0-32-mm-id-0-5-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_5e0e12ab-086a-479a-ab82-16eaf9b48174.png?v=1740070377</image:loc>
      <image:title>GC column, Polar, OPTIMA WAX, 30 m L, 0.32 mm ID, 0.5 Âµm df</image:title>
      <image:caption>GC column, Polar, OPTIMA WAX, 30 m L, 0.32 mm ID, 0.5 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726321_25-gc-column-polar-optima-wax-25-m-l-0-32-mm-id-0-25-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_d8d4c573-d82f-4c71-8c17-9319d2bbee3b.png?v=1740070376</image:loc>
      <image:title>GC column, Polar, OPTIMA WAX, 25 m L, 0.32 mm ID, 0.25 Âµm df</image:title>
      <image:caption>GC column, Polar, OPTIMA WAX, 25 m L, 0.32 mm ID, 0.25 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726321_30-gc-column-polar-optima-wax-30-m-l-0-32-mm-id-0-25-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_c42eba7d-0a10-4b14-b0e0-336efa59e68e.png?v=1740070376</image:loc>
      <image:title>GC column, Polar, OPTIMA WAX, 30 m L, 0.32 mm ID, 0.25 Âµm df</image:title>
      <image:caption>GC column, Polar, OPTIMA WAX, 30 m L, 0.32 mm ID, 0.25 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726341_25-gc-column-polar-optima-ffap-25-m-l-0-32-mm-id-0-25-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_b925cd16-c0be-4b6f-b7aa-7035f293faca.png?v=1740070376</image:loc>
      <image:title>GC column, Polar, OPTIMA FFAP, 25 m L, 0.32 mm ID, 0.25 Âµm df</image:title>
      <image:caption>GC column, Polar, OPTIMA FFAP, 25 m L, 0.32 mm ID, 0.25 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726341_30-gc-column-polar-optima-ffap-30-m-l-0-32-mm-id-0-25-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_b31bf401-bb81-487b-bcc7-57220bf0f4b6.png?v=1740070375</image:loc>
      <image:title>GC column, Polar, OPTIMA FFAP, 30 m L, 0.32 mm ID, 0.25 Âµm df</image:title>
      <image:caption>GC column, Polar, OPTIMA FFAP, 30 m L, 0.32 mm ID, 0.25 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726344_25-gc-column-polar-optima-ffap-25-m-l-0-32-mm-id-0-5-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_86c405e2-6a6e-43e9-9966-336817641066.png?v=1740070375</image:loc>
      <image:title>GC column, Polar, OPTIMA FFAP, 25 m L, 0.32 mm ID, 0.5 Âµm df</image:title>
      <image:caption>GC column, Polar, OPTIMA FFAP, 25 m L, 0.32 mm ID, 0.5 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726344_30-gc-column-polar-optima-ffap-30-m-l-0-32-mm-id-0-5-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_511b9e96-409c-49da-b325-b116e1ac3da4.png?v=1740070375</image:loc>
      <image:title>GC column, Polar, OPTIMA FFAP, 30 m L, 0.32 mm ID, 0.5 Âµm df</image:title>
      <image:caption>GC column, Polar, OPTIMA FFAP, 30 m L, 0.32 mm ID, 0.5 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726243_30-gc-column-polar-optima-ffapplus-30-m-l-0-32-mm-id-0-25-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_596b1644-8102-447d-bd3a-c286085e66d1.png?v=1740070374</image:loc>
      <image:title>GC column, Polar, OPTIMA FFAPplus, 30 m L, 0.32 mm ID, 0.25 Âµm df</image:title>
      <image:caption>GC column, Polar, OPTIMA FFAPplus, 30 m L, 0.32 mm ID, 0.25 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726246_30-gc-column-polar-optima-ffapplus-30-m-l-0-32-mm-id-0-5-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_7b3277e0-1664-465a-b634-2949ca37f9de.png?v=1740070374</image:loc>
      <image:title>GC column, Polar, OPTIMA FFAPplus, 30 m L, 0.32 mm ID, 0.5 Âµm df</image:title>
      <image:caption>GC column, Polar, OPTIMA FFAPplus, 30 m L, 0.32 mm ID, 0.5 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760100_30-ec-hplc-column-analytical-nucleodur-c18-gravity-5-m-125x3-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_5e1587cf-b032-4e92-b1ec-2a6abd5c9acd.png?v=1740070374</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR C18 Gravity, 5 Âµm, 125x3 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR C18 Gravity, 5 &amp;micro;m, 125x3 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760100_40-ec-hplc-column-analytical-nucleodur-c18-gravity-5-m-125x4-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
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      <image:title>EC HPLC column (analytical), NUCLEODUR HILIC, 5 Âµm, 125x4 mm</image:title>
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      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/LC_Flash_POLYGOPREP_C4_bulk_adsorbent_packing_material_100g_chromatography_59477c53-db16-4c4d-a483-98a006a1d15c.jpg?v=1740070344</image:loc>
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      <image:caption>EC HPLC column (analytical), NUCLEOSIL 100-3 C18, 3 &amp;micro;m, 150x4.6 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/720040_46-ec-hplc-column-analytical-nucleosil-120-3-c18-3-m-125x4-6-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEOSIL_chromatography_892bcf98-7f03-4d26-a0d9-f5b652e21712.png?v=1740070340</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEOSIL 120-3 C18, 3 Âµm, 125x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEOSIL 120-3 C18, 3 &amp;micro;m, 125x4.6 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/720149_46-ec-hplc-column-analytical-nucleosil-120-3-c18-3-m-100x4-6-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEOSIL_chromatography_558e355e-c7ec-4227-b7ac-aa99e2604331.png?v=1740070339</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEOSIL 120-3 C18, 3 Âµm, 100x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEOSIL 120-3 C18, 3 &amp;micro;m, 100x4.6 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/720740_46-ec-hplc-column-analytical-nucleosil-120-3-c18-3-m-150x4-6-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEOSIL_chromatography_413f384b-e4d9-4c08-be59-02d9abfc2471.png?v=1740070339</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEOSIL 120-3 C18, 3 Âµm, 150x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEOSIL 120-3 C18, 3 &amp;micro;m, 150x4.6 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/711023_100-lc-packing-material-adsorbents-bulk-silica-gel-polygoprep-300-20-c4</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/LC_Flash_POLYGOPREP_C4_bulk_adsorbent_packing_material_100g_chromatography_39f871d0-48c9-4cb1-a5b2-949bf122de7d.jpg?v=1740070338</image:loc>
      <image:title>LC packing material (adsorbents, bulk), silica gel, POLYGOPREP 300-20 C4</image:title>
      <image:caption>LC packing material (adsorbents, bulk), silica gel, POLYGOPREP 300-20 C4</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/711025_100-lc-packing-material-adsorbents-bulk-silica-gel-polygoprep-300-20-c18</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/LC_Flash_POLYGOPREP_C18_bulk_adsorbent_packing_material_100g_chromatography_c1a1763c-dbd1-47a2-9433-82194945f55a.jpg?v=1740070338</image:loc>
      <image:title>LC packing material (adsorbents, bulk), silica gel, POLYGOPREP 300-20 C18</image:title>
      <image:caption>LC packing material (adsorbents, bulk), silica gel, POLYGOPREP 300-20 C18</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/723105_25-deactivated-capillary-columns-precolumns-cw-polar</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/Place_holder_fcc5cce0-17ac-4845-9afe-e673a249d4d9.jpg?v=1740070337</image:loc>
      <image:title>Deactivated capillary columns, precolumns, CW, polar</image:title>
      <image:caption>Deactivated capillary columns, precolumns, CW, polar</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/723106_25-deactivated-capillary-columns-precolumns-methyl-sil-non-polar</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/Place_holder_ebbf7513-58e5-4c03-8057-c0e6bd3a95e7.jpg?v=1740070337</image:loc>
      <image:title>Deactivated capillary columns, precolumns, Methyl-Sil, non-polar</image:title>
      <image:caption>Deactivated capillary columns, precolumns, Methyl-Sil, non-polar</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/723108_25-deactivated-capillary-columns-precolumns-phe-sil-low-medium-polar</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/Place_holder_c3e43c69-6e18-4041-9d6e-803ca79b5902.jpg?v=1740070337</image:loc>
      <image:title>Deactivated capillary columns, precolumns, Phe-Sil, lowâ€“medium polar</image:title>
      <image:caption>Deactivated capillary columns, precolumns, Phe-Sil, lowâ€“medium polar</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/723709_25-retention-gaps-phenylmethyl-silylated-low-medium-polar</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/Place_holder_47e2a0e8-b812-4ac4-b9d0-59c051a3b183.jpg?v=1740070336</image:loc>
      <image:title>Retention gaps, phenylmethyl silylated, lowâ€“medium polar</image:title>
      <image:caption>Retention gaps, phenylmethyl silylated, lowâ€“medium polar</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/723712_25-retention-gaps-cw-carbowax-polyethylene-glycol-polar</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/Place_holder_96590583-d061-4326-aeb6-369d8c97ff35.jpg?v=1740070336</image:loc>
      <image:title>Retention gaps, CW (carbowax, polyethylene glycol), polar</image:title>
      <image:caption>Retention gaps, CW (carbowax, polyethylene glycol), polar</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/706296-magnifying-lens-with-scale-magnification-8x</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_accessories_magnifying_lens_with_scale_magnification_8x_chromatography_REF706296_001.jpg?v=1740070335</image:loc>
      <image:title>Magnifying lens with scale magnification 8x</image:title>
      <image:caption>Magnifying lens with scale magnification 8x</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760062_46-ec-hplc-column-analytical-nucleodur-100-3-c8-ec-3-m-250x4-6-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_34a286a0-a23e-4c45-b74b-55eb4dc4b809.png?v=1740070335</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR 100-3 C8 ec, 3 Âµm, 250x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR 100-3 C8 ec, 3 &amp;micro;m, 250x4.6 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760739_46-ec-hplc-column-analytical-nucleodur-100-3-nh2-rp-3-m-250x4-6-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_50ed6602-fe9a-439e-b3f7-58ab6fd58a7c.png?v=1740070335</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR 100-3 NH2-RP, 3 Âµm, 250x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR 100-3 NH2-RP, 3 &amp;micro;m, 250x4.6 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760052_46-ec-hplc-column-analytical-nucleodur-100-3-c18-ec-3-m-250x4-6-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_9af64052-3aab-4678-8820-23998c1f2242.png?v=1740070334</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR 100-3 C18 ec, 3 Âµm, 250x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR 100-3 C18 ec, 3 &amp;micro;m, 250x4.6 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/732714-chromabond-flash-rs-80-c18-ec-cartridges-15-40-m-86-g</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/Flash_CHROMABOND_RS_columns_cartridge_PP_white_closure_overview_chromatography_2_77367f2a-136b-46ec-90e0-246953798123.png?v=1740070334</image:loc>
      <image:title>CHROMABOND Flash RS 80 C18 ec cartridges, 15â€“40 Âµm, 86 g</image:title>
      <image:caption>CHROMABOND Flash RS 80 C18 ec cartridges, 15â€“40 &amp;micro;m, 86 g</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/730070_250-spe-columns-chromabond-sioh-45-m-6-ml-500-mg</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/Place_holder_fb193c47-411a-401b-b0cb-e7719400cd00.jpg?v=1740070333</image:loc>
      <image:title>SPE columns, CHROMABOND SiOH, 45 Âµm, 6 mL/500 mg</image:title>
      <image:caption>SPE columns, CHROMABOND SiOH, 45 &amp;micro;m, 6 mL/500 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/701270_510-derivatization-reagents-for-gc-silylation-mstfa</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/Place_holder_758875da-7ce2-4e05-963e-a19695540510.jpg?v=1740070333</image:loc>
      <image:title>Derivatization reagents for GC, silylation, MSTFA</image:title>
      <image:caption>Derivatization reagents for GC, silylation, MSTFA</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/718253-varioprep-guard-column-holder-for-vp-15-32-guard-columns</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_accessories_preparative_VP_guard_column_holder_32mm_chromatograph_REF718253.jpg?v=1740070333</image:loc>
      <image:title>VarioPrep guard column holder for VP 15/32 guard columns</image:title>
      <image:caption>VarioPrep guard column holder for VP 15/32 guard columns</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/730189_12-stopcocks-valves-chrome-plated-brass</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/730189-ValveBrassTarnished_c40bf3cb-42cf-469d-bff8-712706e99235.jpg?v=1740070332</image:loc>
      <image:title>Stopcocks (valves), chrome-plated brass</image:title>
      <image:caption>Stopcocks (valves), chrome-plated brass</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726201_25-gc-column-nonpolar-optima-1-ms-25-m-l-0-20-mm-id-0-2-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_08cb382c-8439-4630-9dab-52b7b905a0d9.png?v=1740070332</image:loc>
      <image:title>GC column, Nonpolar, OPTIMA 1 MS, 25 m L, 0.20 mm ID, 0.2 Âµm df</image:title>
      <image:caption>GC column, Nonpolar, OPTIMA 1 MS, 25 m L, 0.20 mm ID, 0.2 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726205_30-gc-column-nonpolar-optima-1-ms-30-m-l-0-25-mm-id-0-25-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_8455fc55-5f50-4f4a-a436-239ddd5e7db0.png?v=1740070331</image:loc>
      <image:title>GC column, Nonpolar, OPTIMA 1 MS, 30 m L, 0.25 mm ID, 0.25 Âµm df</image:title>
      <image:caption>GC column, Nonpolar, OPTIMA 1 MS, 30 m L, 0.25 mm ID, 0.25 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726210_25-gc-column-nonpolar-low-polar-optima-5-ms-25-m-l-0-20-mm-id-0-2-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_7d82c014-9549-42d6-a233-992c97ae0b4a.png?v=1740070331</image:loc>
      <image:title>GC column, Nonpolarâ€“low polar, OPTIMA 5 MS, 25 m L, 0.20 mm ID, 0.2 Âµm df</image:title>
      <image:caption>GC column, Nonpolarâ€“low polar, OPTIMA 5 MS, 25 m L, 0.20 mm ID, 0.2 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726215_25-gc-column-nonpolar-low-polar-optima-5-ms-25-m-l-0-20-mm-id-0-35-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_70011880-0798-4862-a37a-04fcac812c84.png?v=1740070331</image:loc>
      <image:title>GC column, Nonpolarâ€“low polar, OPTIMA 5 MS, 25 m L, 0.20 mm ID, 0.35 Âµm df</image:title>
      <image:caption>GC column, Nonpolarâ€“low polar, OPTIMA 5 MS, 25 m L, 0.20 mm ID, 0.35 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726220_30-gc-column-nonpolar-low-polar-optima-5-ms-30-m-l-0-25-mm-id-0-25-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_843ba84a-3aa2-43fc-a1ef-5a392b3013b3.png?v=1740070330</image:loc>
      <image:title>GC column, Nonpolarâ€“low polar, OPTIMA 5 MS, 30 m L, 0.25 mm ID, 0.25 Âµm df</image:title>
      <image:caption>GC column, Nonpolarâ€“low polar, OPTIMA 5 MS, 30 m L, 0.25 mm ID, 0.25 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726225_30-gc-column-nonpolar-low-polar-optima-5-ms-30-m-l-0-25-mm-id-0-5-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_b6f6755f-b605-47d0-8e20-5cf2a64f0698.png?v=1740070330</image:loc>
      <image:title>GC column, Nonpolarâ€“low polar, OPTIMA 5 MS, 30 m L, 0.25 mm ID, 0.5 Âµm df</image:title>
      <image:caption>GC column, Nonpolarâ€“low polar, OPTIMA 5 MS, 30 m L, 0.25 mm ID, 0.5 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726226_30-gc-column-nonpolar-low-polar-optima-5-ms-30-m-l-0-25-mm-id-1-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_78020675-fe20-41b9-bb9a-ea354fc6d063.png?v=1740070330</image:loc>
      <image:title>GC column, Nonpolarâ€“low polar, OPTIMA 5 MS, 30 m L, 0.25 mm ID, 1 Âµm df</image:title>
      <image:caption>GC column, Nonpolarâ€“low polar, OPTIMA 5 MS, 30 m L, 0.25 mm ID, 1 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726154_30-gc-column-mid-polar-optima-35-ms-30-m-l-0-25-mm-id-0-25-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_14e120ce-4ed9-495e-bf9a-78ac61bc0227.png?v=1740070329</image:loc>
      <image:title>GC column, Mid-polar, OPTIMA 35 MS, 30 m L, 0.25 mm ID, 0.25 Âµm df</image:title>
      <image:caption>GC column, Mid-polar, OPTIMA 35 MS, 30 m L, 0.25 mm ID, 0.25 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726354_30-gc-column-nonpolar-low-polar-optima-5-amine-30-m-l-0-25-mm-id-0-5-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_e6322f94-8432-4134-9514-f8de289b6832.png?v=1740070329</image:loc>
      <image:title>GC column, Nonpolarâ€“low polar, OPTIMA 5 Amine, 30 m L, 0.25 mm ID, 0.5 Âµm df</image:title>
      <image:caption>GC column, Nonpolarâ€“low polar, OPTIMA 5 Amine, 30 m L, 0.25 mm ID, 0.5 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726355_25-gc-column-nonpolar-low-polar-optima-5-amine-25-m-l-0-20-mm-id-0-35-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_cf142fe5-22b6-451a-94e5-6b3aecfbcee7.png?v=1740070328</image:loc>
      <image:title>GC column, Nonpolarâ€“low polar, OPTIMA 5 Amine, 25 m L, 0.20 mm ID, 0.35 Âµm df</image:title>
      <image:caption>GC column, Nonpolarâ€“low polar, OPTIMA 5 Amine, 25 m L, 0.20 mm ID, 0.35 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726358_30-gc-column-nonpolar-low-polar-optima-5-amine-30-m-l-0-25-mm-id-1-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_61fb71d2-f53e-4a3b-ade7-599c170d3422.png?v=1740070328</image:loc>
      <image:title>GC column, Nonpolarâ€“low polar, OPTIMA 5 Amine, 30 m L, 0.25 mm ID, 1 Âµm df</image:title>
      <image:caption>GC column, Nonpolarâ€“low polar, OPTIMA 5 Amine, 30 m L, 0.25 mm ID, 1 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726102_30-gc-column-nonpolar-low-polar-optima-5-ht-30-m-l-0-25-mm-id-0-1-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_47e7ead0-2de7-47d8-8dbc-570477c41c2a.png?v=1740070328</image:loc>
      <image:title>GC column, Nonpolarâ€“low polar, OPTIMA 5 HT, 30 m L, 0.25 mm ID, 0.1 Âµm df</image:title>
      <image:caption>GC column, Nonpolarâ€“low polar, OPTIMA 5 HT, 30 m L, 0.25 mm ID, 0.1 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726106_30-gc-column-nonpolar-low-polar-optima-5-ht-30-m-l-0-25-mm-id-0-25-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_1c5eaef9-3899-40b8-b418-838f1107a0c8.png?v=1740070327</image:loc>
      <image:title>GC column, Nonpolarâ€“low polar, OPTIMA 5 HT, 30 m L, 0.25 mm ID, 0.25 Âµm df</image:title>
      <image:caption>GC column, Nonpolarâ€“low polar, OPTIMA 5 HT, 30 m L, 0.25 mm ID, 0.25 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726162_30-gc-column-mid-polar-optima-17-ms-30-m-l-0-25-mm-id-0-25-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_e1a35679-6c9d-4402-ab48-7293015f0995.png?v=1740070327</image:loc>
      <image:title>GC column, Mid-polar, OPTIMA 17 MS, 30 m L, 0.25 mm ID, 0.25 Âµm df</image:title>
      <image:caption>GC column, Mid-polar, OPTIMA 17 MS, 30 m L, 0.25 mm ID, 0.25 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726630_30-gc-column-mid-polar-optima-1701-ms-30-m-l-0-25-mm-id-0-25-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_490ec6d9-0a19-4666-a88a-aea07138609d.png?v=1740070327</image:loc>
      <image:title>GC column, Mid-polar, OPTIMA 1701 MS, 30 m L, 0.25 mm ID, 0.25 Âµm df</image:title>
      <image:caption>GC column, Mid-polar, OPTIMA 1701 MS, 30 m L, 0.25 mm ID, 0.25 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726631_30-gc-column-mid-polar-optima-1701-ms-30-m-l-0-25-mm-id-0-5-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_55956d95-132d-4a04-8e95-aea7690948a3.png?v=1740070326</image:loc>
      <image:title>GC column, Mid-polar, OPTIMA 1701 MS, 30 m L, 0.25 mm ID, 0.5 Âµm df</image:title>
      <image:caption>GC column, Mid-polar, OPTIMA 1701 MS, 30 m L, 0.25 mm ID, 0.5 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726640_30-gc-column-low-polar-mid-polar-optima-1301-ms-30-m-l-0-25-mm-id-0-25-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_317b7fef-85c9-4b68-bab4-d197281fd27a.png?v=1740070326</image:loc>
      <image:title>GC column, Low polarâ€“mid-polar, OPTIMA 1301 MS, 30 m L, 0.25 mm ID, 0.25 Âµm df</image:title>
      <image:caption>GC column, Low polarâ€“mid-polar, OPTIMA 1301 MS, 30 m L, 0.25 mm ID, 0.25 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726900_30-gc-column-for-fames-optima-biodiesel-f-30-m-l-0-25-mm-id-proprietary-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_368132c2-fbe4-499e-a866-34e1530bf90e.png?v=1740070325</image:loc>
      <image:title>GC column, for FAMEs, OPTIMA BioDiesel F, 30 m L, 0.25 mm ID, proprietary df</image:title>
      <image:caption>GC column, for FAMEs, OPTIMA BioDiesel F, 30 m L, 0.25 mm ID, proprietary df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/713551_0100-hplc-packing-material-adsorbents-bulk-nucleodur-100-50</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/LC_HPLC_NUCLEODUR_bulk_adsorbent_packing_material_100g_chromatography.jpg?v=1740070325</image:loc>
      <image:title>HPLC packing material (adsorbents, bulk), NUCLEODUR 100-50</image:title>
      <image:caption>HPLC packing material (adsorbents, bulk), NUCLEODUR 100-50</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/730168_250-spe-columns-chromabond-drug-45-m-3-ml-200-mg</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/Place_holder_caa87694-6902-4580-913d-52842f50d8e1.jpg?v=1740070325</image:loc>
      <image:title>SPE columns, CHROMABOND Drug, 45 Âµm, 3 mL/200 mg</image:title>
      <image:caption>SPE columns, CHROMABOND Drug, 45 &amp;micro;m, 3 mL/200 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760080_20-ec-hplc-column-analytical-nucleodur-c18-gravity-3-m-50x2-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_f09628a1-886e-4565-bfc6-138240805627.png?v=1740070324</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR C18 Gravity, 3 Âµm, 50x2 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR C18 Gravity, 3 &amp;micro;m, 50x2 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760080_30-ec-hplc-column-analytical-nucleodur-c18-gravity-3-m-50x3-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_c44f7e30-2917-460f-8ca6-293cffae8ae7.png?v=1740070324</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR C18 Gravity, 3 Âµm, 50x3 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR C18 Gravity, 3 &amp;micro;m, 50x3 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760080_40-ec-hplc-column-analytical-nucleodur-c18-gravity-3-m-50x4-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_ff516a06-0b1d-42ed-ad9b-f11294a9ae02.png?v=1740070323</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR C18 Gravity, 3 Âµm, 50x4 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR C18 Gravity, 3 &amp;micro;m, 50x4 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760603_20-ec-hplc-column-analytical-nucleodur-c18-gravity-sb-3-m-50x2-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_4c1be249-cb90-40c7-89f0-b8ecd4038b4e.png?v=1740070323</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR C18 Gravity-SB, 3 Âµm, 50x2 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR C18 Gravity-SB, 3 &amp;micro;m, 50x2 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760603_30-ec-hplc-column-analytical-nucleodur-c18-gravity-sb-3-m-50x3-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_3f6eb3f3-1815-42c0-bf3d-293fc0ebc4f5.png?v=1740070322</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR C18 Gravity-SB, 3 Âµm, 50x3 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR C18 Gravity-SB, 3 &amp;micro;m, 50x3 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760603_40-ec-hplc-column-analytical-nucleodur-c18-gravity-sb-3-m-50x4-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_f4b9a969-03ea-4279-a0fa-1b869047a0b3.png?v=1740070322</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR C18 Gravity-SB, 3 Âµm, 50x4 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR C18 Gravity-SB, 3 &amp;micro;m, 50x4 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760653_20-ec-hplc-column-analytical-nucleodur-c8-gravity-3-m-50x2-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_ab7b6542-54fc-4a42-953e-ccd6a1241656.png?v=1740070322</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR C8 Gravity, 3 Âµm, 50x2 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR C8 Gravity, 3 &amp;micro;m, 50x2 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760653_30-ec-hplc-column-analytical-nucleodur-c8-gravity-3-m-50x3-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_8450a5d0-ef22-4870-9abc-8c84bd28b1ca.png?v=1740070321</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR C8 Gravity, 3 Âµm, 50x3 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR C8 Gravity, 3 &amp;micro;m, 50x3 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760653_40-ec-hplc-column-analytical-nucleodur-c8-gravity-3-m-50x4-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_0ecd91d2-2abd-4360-8907-b63e59c71cbd.png?v=1740070321</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR C8 Gravity, 3 Âµm, 50x4 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR C8 Gravity, 3 &amp;micro;m, 50x4 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760655_20-ec-hplc-column-analytical-nucleodur-c8-gravity-3-m-75x2-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_28b580c5-1b13-44c8-ae52-87467ab48fef.png?v=1740070320</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR C8 Gravity, 3 Âµm, 75x2 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR C8 Gravity, 3 &amp;micro;m, 75x2 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760655_30-ec-hplc-column-analytical-nucleodur-c8-gravity-3-m-75x3-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_7436b83e-aaea-4ac9-911b-ce89333c15a0.png?v=1740070320</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR C8 Gravity, 3 Âµm, 75x3 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR C8 Gravity, 3 &amp;micro;m, 75x3 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760655_40-ec-hplc-column-analytical-nucleodur-c8-gravity-3-m-75x4-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_7d187a2a-c88b-44fd-9f0a-9e86ab3977b7.png?v=1740070320</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR C8 Gravity, 3 Âµm, 75x4 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR C8 Gravity, 3 &amp;micro;m, 75x4 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760400_20-ec-hplc-column-analytical-nucleodur-c18-isis-3-m-50x2-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_dff00ffd-916f-4fb8-8e9e-8792cdace629.png?v=1740070319</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR C18 Isis, 3 Âµm, 50x2 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR C18 Isis, 3 &amp;micro;m, 50x2 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760400_30-ec-hplc-column-analytical-nucleodur-c18-isis-3-m-50x3-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_ba48dd16-4389-47e0-9a55-6649921a377d.png?v=1740070319</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR C18 Isis, 3 Âµm, 50x3 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR C18 Isis, 3 &amp;micro;m, 50x3 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760400_40-ec-hplc-column-analytical-nucleodur-c18-isis-3-m-50x4-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_258cf8f9-8ceb-445d-a772-03b4c0500c1f.png?v=1740070319</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR C18 Isis, 3 Âµm, 50x4 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR C18 Isis, 3 &amp;micro;m, 50x4 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760263_20-ec-hplc-column-analytical-nucleodur-c18-pyramid-3-m-50x2-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_b4c1704a-ae2b-45bc-a454-d6520c0e0566.png?v=1740070318</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR C18 Pyramid, 3 Âµm, 50x2 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR C18 Pyramid, 3 &amp;micro;m, 50x2 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760263_30-ec-hplc-column-analytical-nucleodur-c18-pyramid-3-m-50x3-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_00be6b2c-ecd9-4e08-b260-02fa1df2d26b.png?v=1740070318</image:loc>
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      <image:title>EC HPLC column (analytical), NUCLEOSHELL RP 18, 2.7 Âµm, 50x4 mm</image:title>
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      <image:caption>EC HPLC column (analytical), NUCLEOSHELL RP 18plus, 2.7 &amp;micro;m, 50x2 mm</image:caption>
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      <image:title>EC HPLC column (analytical), NUCLEOSHELL RP 18plus, 2.7 Âµm, 50x4 mm</image:title>
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      <image:title>EC HPLC column (analytical), NUCLEOSHELL HILIC, 2.7 Âµm, 50x3 mm</image:title>
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      <image:title>EC HPLC column (analytical), NUCLEOSHELL HILIC, 2.7 Âµm, 50x4 mm</image:title>
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      <image:title>EC HPLC column (analytical), NUCLEOSHELL Bluebird RP 18, 2.7 Âµm, 50x2 mm</image:title>
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      <image:title>EC HPLC column (analytical), NUCLEOSHELL Bluebird RP 18, 2.7 Âµm, 50x4 mm</image:title>
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      <image:title>EC HPLC column (analytical), NUCLEOSHELL Bluebird RP 18, 2.7 Âµm, 75x2 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEOSHELL Bluebird RP 18, 2.7 &amp;micro;m, 75x2 mm</image:caption>
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      <image:title>EC HPLC column (analytical), NUCLEOSHELL Bluebird RP 18, 2.7 Âµm, 75x3 mm</image:title>
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      <image:title>EC HPLC column (analytical), NUCLEOSHELL Bluebird RP 18, 2.7 Âµm, 75x4 mm</image:title>
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      <image:title>EC HPLC column (analytical), NUCLEOSHELL PFP, 2.7 Âµm, 50x3 mm</image:title>
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      <image:title>EC HPLC column (analytical), NUCLEOSHELL PFP, 2.7 Âµm, 50x4 mm</image:title>
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      <image:title>EC HPLC column (analytical), NUCLEOSHELL Phenyl-Hexyl, 2.7 Âµm, 50x2 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEOSHELL Phenyl-Hexyl, 2.7 &amp;micro;m, 50x2 mm</image:caption>
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      <image:title>EC HPLC column (analytical), NUCLEOSHELL Phenyl-Hexyl, 2.7 Âµm, 50x3 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEOSHELL Phenyl-Hexyl, 2.7 &amp;micro;m, 50x3 mm</image:caption>
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      <image:title>EC HPLC column (analytical), NUCLEOSHELL Phenyl-Hexyl, 2.7 Âµm, 50x4 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEOSHELL Phenyl-Hexyl, 2.7 &amp;micro;m, 50x4 mm</image:caption>
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      <image:title>EC UHPLC column (analytical), NUCLEODUR C18 Gravity, 1.8 Âµm, 30x2 mm</image:title>
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      <image:title>EC UHPLC column (analytical), NUCLEODUR C18 Gravity, 1.8 Âµm, 30x4 mm</image:title>
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      <image:title>EC UHPLC column (analytical), NUCLEODUR C18 Gravity, 1.8 Âµm, 50x2 mm</image:title>
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      <image:title>EC UHPLC column (analytical), NUCLEODUR C18 Gravity, 1.8 Âµm, 50x3 mm</image:title>
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      <image:title>EC UHPLC column (analytical), NUCLEODUR Phenyl-Hexyl, 1.8 Âµm, 30x2 mm</image:title>
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      <image:caption>EC UHPLC column (analytical), NUCLEODUR Phenyl-Hexyl, 1.8 &amp;micro;m, 30x3 mm</image:caption>
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      <image:title>EC HPLC column (analytical), NUCLEOSHELL Biphenyl, 2.7 Âµm, 50x4 mm</image:title>
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      <image:title>EC HPLC column (analytical), NUCLEODUR Ï€&amp;sup2;, 3 Âµm, 50x3 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR Ï€&amp;sup2;, 3 &amp;micro;m, 50x3 mm</image:caption>
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      <image:title>EC HPLC column (analytical), NUCLEODUR Ï€&amp;sup2;, 3 Âµm, 50x4 mm</image:title>
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      <image:title>EC HPLC column (analytical), NUCLEODUR Ï€&amp;sup2;, 3 Âµm, 75x2 mm</image:title>
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      <image:title>EC HPLC column (analytical), NUCLEODUR Ï€&amp;sup2;, 3 Âµm, 75x4 mm</image:title>
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  <url>
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  <url>
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  <url>
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  <url>
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    <changefreq>daily</changefreq>
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  <url>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_a7bc5789-b5b3-4f10-aa6c-ca2a143bee5c.png?v=1740070234</image:loc>
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  <url>
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    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/Place_holder_30fd1658-2143-4ed4-926d-a918900d2dbe.jpg?v=1740070233</image:loc>
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    <changefreq>daily</changefreq>
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    <changefreq>daily</changefreq>
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    <changefreq>daily</changefreq>
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    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_8655ecdf-f307-4d48-8b4f-537b6f3e82ec.png?v=1740070213</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR Phenyl-Hexyl, 5 Âµm, 250x4 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR Phenyl-Hexyl, 5 &amp;micro;m, 250x4 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760550_30-ec-hplc-column-analytical-nucleodur-hilic-5-m-250x3-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_6a631a1e-fccb-4eca-bd5c-ef5c2d55f77a.png?v=1740070213</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR HILIC, 5 Âµm, 250x3 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR HILIC, 5 &amp;micro;m, 250x3 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760550_40-ec-hplc-column-analytical-nucleodur-hilic-5-m-250x4-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_fe62f024-54f7-42b0-9300-776509c91241.png?v=1740070212</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR HILIC, 5 Âµm, 250x4 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR HILIC, 5 &amp;micro;m, 250x4 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/732463-chromabond-flash-rs-40-sphere-sioh-cartridges-spherical-25-m-40-g</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/Flash_CHROMABOND_RS_columns_cartridge_PP_white_closure_overview_chromatography_2_0e7ddf5c-b7ea-46f1-bd65-9dafa463f4d7.png?v=1740070212</image:loc>
      <image:title>CHROMABOND Flash RS 40 SPHERE SiOH cartridges, spherical, 25 Âµm, 40 g</image:title>
      <image:caption>CHROMABOND Flash RS 40 SPHERE SiOH cartridges, spherical, 25 &amp;micro;m, 40 g</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/725801_25-gc-column-nonpolar-optima-1-ms-accent-25-m-l-0-20-mm-id-0-2-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_70846651-3d7a-49b6-bde4-6d22e4df9c2a.png?v=1740070211</image:loc>
      <image:title>GC column, Nonpolar, OPTIMA 1 MS Accent, 25 m L, 0.20 mm ID, 0.2 Âµm df</image:title>
      <image:caption>GC column, Nonpolar, OPTIMA 1 MS Accent, 25 m L, 0.20 mm ID, 0.2 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/725850_30-gc-column-low-polar-optima-xlb-30-m-l-0-25-mm-id-0-25-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_64197dd4-549a-4ba9-a226-622d4338e460.png?v=1740070211</image:loc>
      <image:title>GC column, Low polar, OPTIMA XLB, 30 m L, 0.25 mm ID, 0.25 Âµm df</image:title>
      <image:caption>GC column, Low polar, OPTIMA XLB, 30 m L, 0.25 mm ID, 0.25 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/725805_30-gc-column-nonpolar-optima-1-ms-accent-30-m-l-0-25-mm-id-0-25-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_d8945f69-cf49-4356-ba89-2e58e0a159f6.png?v=1740070210</image:loc>
      <image:title>GC column, Nonpolar, OPTIMA 1 MS Accent, 30 m L, 0.25 mm ID, 0.25 Âµm df</image:title>
      <image:caption>GC column, Nonpolar, OPTIMA 1 MS Accent, 30 m L, 0.25 mm ID, 0.25 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/725806_30-gc-column-nonpolar-optima-1-ms-accent-30-m-l-0-25-mm-id-0-5-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_125efd2f-26b9-4170-a5e5-b09ba927b176.png?v=1740070210</image:loc>
      <image:title>GC column, Nonpolar, OPTIMA 1 MS Accent, 30 m L, 0.25 mm ID, 0.5 Âµm df</image:title>
      <image:caption>GC column, Nonpolar, OPTIMA 1 MS Accent, 30 m L, 0.25 mm ID, 0.5 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/725810_25-gc-column-nonpolar-low-polar-optima-5-ms-accent-25-m-l-0-20-mm-id-0-2-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_c65d8ff1-5ed8-47c1-8b9e-a9b6b0895071.png?v=1740070210</image:loc>
      <image:title>GC column, Nonpolarâ€“low polar, OPTIMA 5 MS Accent, 25 m L, 0.20 mm ID, 0.2 Âµm df</image:title>
      <image:caption>GC column, Nonpolarâ€“low polar, OPTIMA 5 MS Accent, 25 m L, 0.20 mm ID, 0.2 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/725820_30-gc-column-nonpolar-low-polar-optima-5-ms-accent-30-m-l-0-25-mm-id-0-25-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_0090848d-db6d-42cb-aa99-5d56d1469a17.png?v=1740070209</image:loc>
      <image:title>GC column, Nonpolarâ€“low polar, OPTIMA 5 MS Accent, 30 m L, 0.25 mm ID,0.25 Âµm df</image:title>
      <image:caption>GC column, Nonpolarâ€“low polar, OPTIMA 5 MS Accent, 30 m L, 0.25 mm ID,0.25 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/725825_30-gc-column-nonpolar-low-polar-optima-5-ms-accent-30-m-l-0-25-mm-id-0-5-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_70d45052-157d-4c5c-99e9-0714cbd5425d.png?v=1740070209</image:loc>
      <image:title>GC column, Nonpolarâ€“low polar, OPTIMA 5 MS Accent, 30 m L, 0.25 mm ID, 0.5 Âµm df</image:title>
      <image:caption>GC column, Nonpolarâ€“low polar, OPTIMA 5 MS Accent, 30 m L, 0.25 mm ID, 0.5 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/725826_30-gc-column-nonpolar-low-polar-optima-5-ms-accent-30-m-l-0-25-mm-id-1-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_b752f1ba-18c2-43da-9c70-0a40481f3d2a.png?v=1740070208</image:loc>
      <image:title>GC column, Nonpolarâ€“low polar, OPTIMA 5 MS Accent, 30 m L, 0.25 mm ID, 1 Âµm df</image:title>
      <image:caption>GC column, Nonpolarâ€“low polar, OPTIMA 5 MS Accent, 30 m L, 0.25 mm ID, 1 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726400_25-gc-column-low-polar-mid-polar-optima-delta-3-25-m-l-0-20-mm-id-0-2-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_6e4a3f64-0e99-40f9-b4bc-c011ee18e638.png?v=1740070208</image:loc>
      <image:title>GC column, Low polarâ€“mid-polar, OPTIMA DELTA-3, 25 m L, 0.20 mm ID, 0.2 Âµm df</image:title>
      <image:caption>GC column, Low polarâ€“mid-polar, OPTIMA DELTA-3, 25 m L, 0.20 mm ID, 0.2 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726410_20-gc-column-low-polar-mid-polar-optima-delta-3-20-m-l-0-10-mm-id-0-1-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_1eb850d1-ed87-4d12-a622-6f35a985eb39.png?v=1740070207</image:loc>
      <image:title>GC column, Low polarâ€“mid-polar, OPTIMA DELTA-3, 20 m L, 0.10 mm ID, 0.1 Âµm df</image:title>
      <image:caption>GC column, Low polarâ€“mid-polar, OPTIMA DELTA-3, 20 m L, 0.10 mm ID, 0.1 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726420_30-gc-column-low-polar-mid-polar-optima-delta-3-30-m-l-0-25-mm-id-0-25-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_b37e6ffa-0a89-4d04-bc96-ed13311e402b.png?v=1740070207</image:loc>
      <image:title>GC column, Low polarâ€“mid-polar, OPTIMA DELTA-3, 30 m L, 0.25 mm ID, 0.25 Âµm df</image:title>
      <image:caption>GC column, Low polarâ€“mid-polar, OPTIMA DELTA-3, 30 m L, 0.25 mm ID, 0.25 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726421_30-gc-column-low-polar-mid-polar-optima-delta-3-30-m-l-0-25-mm-id-0-5-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_cee7fd76-f35c-471a-83cb-b94ed7d2f10a.png?v=1740070207</image:loc>
      <image:title>GC column, Low polarâ€“mid-polar, OPTIMA DELTA-3, 30 m L, 0.25 mm ID, 0.5 Âµm df</image:title>
      <image:caption>GC column, Low polarâ€“mid-polar, OPTIMA DELTA-3, 30 m L, 0.25 mm ID, 0.5 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726465_25-gc-column-mid-polar-polar-optima-delta-6-25-m-l-0-20-mm-id-0-2-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_508c59e6-ce42-485b-9fd1-69479d3ba7a6.png?v=1740070206</image:loc>
      <image:title>GC column, Mid-polarâ€“polar, OPTIMA DELTA-6, 25 m L, 0.20 mm ID, 0.2 Âµm df</image:title>
      <image:caption>GC column, Mid-polarâ€“polar, OPTIMA DELTA-6, 25 m L, 0.20 mm ID, 0.2 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726470_30-gc-column-mid-polar-polar-optima-delta-6-30-m-l-0-25-mm-id-0-25-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_00986848-45eb-4b4f-bc8f-b6287e6687a0.png?v=1740070206</image:loc>
      <image:title>GC column, Mid-polarâ€“polar, OPTIMA DELTA-6, 30 m L, 0.25 mm ID, 0.25 Âµm df</image:title>
      <image:caption>GC column, Mid-polarâ€“polar, OPTIMA DELTA-6, 30 m L, 0.25 mm ID, 0.25 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/730082_250-spe-columns-chromabond-florisil-150-250-m-6-ml-1000-mg</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/Place_holder_d24994b4-dbb2-48c3-9215-b726a46e97e3.jpg?v=1740070205</image:loc>
      <image:title>SPE columns, CHROMABOND Florisil, 150â€“250 Âµm, 6 mL/1000 mg</image:title>
      <image:caption>SPE columns, CHROMABOND Florisil, 150â€“250 &amp;micro;m, 6 mL/1000 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/730075_250-spe-columns-chromabond-sioh-45-m-6-ml-1000-mg</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/Place_holder_f131f667-d547-4a40-8e12-ad9b9bc87fb4.jpg?v=1740070205</image:loc>
      <image:title>SPE columns, CHROMABOND SiOH, 45 Âµm, 6 mL/1000 mg</image:title>
      <image:caption>SPE columns, CHROMABOND SiOH, 45 &amp;micro;m, 6 mL/1000 mg</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/720296_40-ec-hplc-column-analytical-nucleosil-100-5-c18-hd-5-m-125x4-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEOSIL_chromatography_5406173d-3950-4667-b95f-2bcd2b82a6e9.png?v=1740070204</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEOSIL 100-5 C18 HD, 5 Âµm, 125x4 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEOSIL 100-5 C18 HD, 5 &amp;micro;m, 125x4 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/720430_40-ec-hplc-column-analytical-nucleosil-100-5-c18-nautilus-5-m-125x4-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEOSIL_chromatography_3c3a7c01-c98e-4377-b3f3-84430fa41501.png?v=1740070203</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEOSIL 100-5 C18 Nautilus, 5 Âµm, 125x4 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEOSIL 100-5 C18 Nautilus, 5 &amp;micro;m, 125x4 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/720175_40-ec-hplc-column-analytical-nucleosil-100-5-protect-i-5-m-125x4-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEOSIL_chromatography_4c0eb062-98e6-4f19-82c6-494a634a22b9.png?v=1740070202</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEOSIL 100-5 Protect I, 5 Âµm, 125x4 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEOSIL 100-5 Protect I, 5 &amp;micro;m, 125x4 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760101_20-ec-hplc-column-analytical-nucleodur-c18-gravity-5-m-250x2-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_f01b5ad6-af41-406e-8c15-1bb830ea9980.png?v=1740070201</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR C18 Gravity, 5 Âµm, 250x2 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR C18 Gravity, 5 &amp;micro;m, 250x2 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760619_20-ec-hplc-column-analytical-nucleodur-c18-gravity-sb-5-m-250x2-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_b96aff7c-8cea-479f-9c8e-f7faa028a136.png?v=1740070200</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR C18 Gravity-SB, 5 Âµm, 250x2 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR C18 Gravity-SB, 5 &amp;micro;m, 250x2 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760753_20-ec-hplc-column-analytical-nucleodur-c8-gravity-5-m-250x2-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_cc232286-bd52-4f71-a84f-e792cc90eb4b.png?v=1740070200</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR C8 Gravity, 5 Âµm, 250x2 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR C8 Gravity, 5 &amp;micro;m, 250x2 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760625_20-ec-hplc-column-analytical-nucleodur-5-m-250x2-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_e52d1cf0-151c-4b85-8c5b-7be4d9edea1d.png?v=1740070199</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR Ï€&amp;sup2;, 5 Âµm, 250x2 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR Ï€&amp;sup2;, 5 &amp;micro;m, 250x2 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760414_20-ec-hplc-column-analytical-nucleodur-c18-isis-5-m-250x2-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_e4eafa74-7720-4659-ae67-f5d6c43d256c.png?v=1740070198</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR C18 Isis, 5 Âµm, 250x2 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR C18 Isis, 5 &amp;micro;m, 250x2 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760202_20-ec-hplc-column-analytical-nucleodur-c18-pyramid-5-m-250x2-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_10612dcd-71a1-4a6c-af5a-ee87582d2337.png?v=1740070197</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR C18 Pyramid, 5 Âµm, 250x2 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR C18 Pyramid, 5 &amp;micro;m, 250x2 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760803_20-ec-hplc-column-analytical-nucleodur-sphinx-rp-5-m-250x2-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_2290608a-d9a1-47e8-9141-0946bff1857d.png?v=1740070197</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR Sphinx RP, 5 Âµm, 250x2 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR Sphinx RP, 5 &amp;micro;m, 250x2 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760316_20-ec-hplc-column-analytical-nucleodur-c18-htec-5-m-250x2-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_bcb5218d-c48d-4e05-8974-351c4efbe1b5.png?v=1740070196</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR C18 HTec, 5 Âµm, 250x2 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR C18 HTec, 5 &amp;micro;m, 250x2 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760489_20-ec-hplc-column-analytical-nucleodur-polartec-5-m-250x2-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_e5b8224e-4cc3-4511-89a2-cbcffc9ed96c.png?v=1740070195</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR PolarTec, 5 Âµm, 250x2 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR PolarTec, 5 &amp;micro;m, 250x2 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760459_20-ec-hplc-column-analytical-nucleodur-pfp-5-m-250x2-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_e4691089-e245-4b3d-8f29-5d88cbe84345.png?v=1740070195</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR PFP, 5 Âµm, 250x2 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR PFP, 5 &amp;micro;m, 250x2 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760589_20-ec-hplc-column-analytical-nucleodur-phenyl-hexyl-5-m-250x2-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_9ac07436-0c8b-4941-b6e6-4e27e59456a5.png?v=1740070194</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR Phenyl-Hexyl, 5 Âµm, 250x2 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR Phenyl-Hexyl, 5 &amp;micro;m, 250x2 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760550_20-ec-hplc-column-analytical-nucleodur-hilic-5-m-250x2-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_0ba4121e-31a9-4329-a433-1e6bc8217a92.png?v=1740070194</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR HILIC, 5 Âµm, 250x2 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR HILIC, 5 &amp;micro;m, 250x2 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726202_30-gc-column-nonpolar-optima-1-ms-30-m-l-0-32-mm-id-0-25-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_1468240a-4a38-4f01-b1dd-8f42f01b481f.png?v=1740070194</image:loc>
      <image:title>GC column, Nonpolar, OPTIMA 1 MS, 30 m L, 0.32 mm ID, 0.25 Âµm df</image:title>
      <image:caption>GC column, Nonpolar, OPTIMA 1 MS, 30 m L, 0.32 mm ID, 0.25 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726211_30-gc-column-nonpolar-low-polar-optima-5-ms-30-m-l-0-32-mm-id-0-25-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_a06a141c-f40b-4b49-8420-753140bc9183.png?v=1740070193</image:loc>
      <image:title>GC column, Nonpolarâ€“low polar, OPTIMA 5 MS, 30 m L, 0.32 mm ID, 0.25 Âµm df</image:title>
      <image:caption>GC column, Nonpolarâ€“low polar, OPTIMA 5 MS, 30 m L, 0.32 mm ID, 0.25 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726212_25-gc-column-nonpolar-low-polar-optima-5-ms-25-m-l-0-32-mm-id-1-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_921b5672-7522-4dab-a67f-4070e55c839f.png?v=1740070193</image:loc>
      <image:title>GC column, Nonpolarâ€“low polar, OPTIMA 5 MS, 25 m L, 0.32 mm ID, 1 Âµm df</image:title>
      <image:caption>GC column, Nonpolarâ€“low polar, OPTIMA 5 MS, 25 m L, 0.32 mm ID, 1 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726213_30-gc-column-nonpolar-low-polar-optima-5-ms-30-m-l-0-32-mm-id-0-5-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_1a82db33-ddea-4aed-b050-13c214dc62dc.png?v=1740070192</image:loc>
      <image:title>GC column, Nonpolarâ€“low polar, OPTIMA 5 MS, 30 m L, 0.32 mm ID, 0.5 Âµm df</image:title>
      <image:caption>GC column, Nonpolarâ€“low polar, OPTIMA 5 MS, 30 m L, 0.32 mm ID, 0.5 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726157_30-gc-column-mid-polar-optima-35-ms-30-m-l-0-32-mm-id-0-25-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_ea336e2b-5661-4bd8-ad77-b5406505a6cd.png?v=1740070192</image:loc>
      <image:title>GC column, Mid-polar, OPTIMA 35 MS, 30 m L, 0.32 mm ID, 0.25 Âµm df</image:title>
      <image:caption>GC column, Mid-polar, OPTIMA 35 MS, 30 m L, 0.32 mm ID, 0.25 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726786_30-gc-column-mid-polar-optima-624-lb-30-m-l-0-32-mm-id-1-8-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_902f5e72-8f90-445b-b399-2a92edd3dc1b.png?v=1740070192</image:loc>
      <image:title>GC column, Mid-polar, OPTIMA 624 LB, 30 m L, 0.32 mm ID, 1.8 Âµm df</image:title>
      <image:caption>GC column, Mid-polar, OPTIMA 624 LB, 30 m L, 0.32 mm ID, 1.8 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726353_30-gc-column-nonpolar-low-polar-optima-5-amine-30-m-l-0-32-mm-id-1-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_5fce5506-9b83-4cea-b54d-dd083fe790e2.png?v=1740070191</image:loc>
      <image:title>GC column, Nonpolarâ€“low polar, OPTIMA 5 Amine, 30 m L, 0.32 mm ID, 1 Âµm df</image:title>
      <image:caption>GC column, Nonpolarâ€“low polar, OPTIMA 5 Amine, 30 m L, 0.32 mm ID, 1 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726356_30-gc-column-nonpolar-low-polar-optima-5-amine-30-m-l-0-32-mm-id-1-5-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_ca1aea0c-8139-4ab3-951b-61383cbbee27.png?v=1740070191</image:loc>
      <image:title>GC column, Nonpolarâ€“low polar, OPTIMA 5 Amine, 30 m L, 0.32 mm ID, 1.5 Âµm df</image:title>
      <image:caption>GC column, Nonpolarâ€“low polar, OPTIMA 5 Amine, 30 m L, 0.32 mm ID, 1.5 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726360_30-gc-column-nonpolar-low-polar-optima-5-amine-30-m-l-0-32-mm-id-0-25-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_af4d4e02-980f-4e73-a37a-c4dd7f416302.png?v=1740070190</image:loc>
      <image:title>GC column, Nonpolarâ€“low polar, OPTIMA 5 Amine, 30 m L, 0.32 mm ID, 0.25 Âµm df</image:title>
      <image:caption>GC column, Nonpolarâ€“low polar, OPTIMA 5 Amine, 30 m L, 0.32 mm ID, 0.25 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726104_30-gc-column-nonpolar-low-polar-optima-5-ht-30-m-l-0-32-mm-id-0-1-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_92ed84c1-7ca6-49cd-bffd-8d775510766f.png?v=1740070190</image:loc>
      <image:title>GC column, Nonpolarâ€“low polar, OPTIMA 5 HT, 30 m L, 0.32 mm ID, 0.1 Âµm df</image:title>
      <image:caption>GC column, Nonpolarâ€“low polar, OPTIMA 5 HT, 30 m L, 0.32 mm ID, 0.1 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726108_30-gc-column-nonpolar-low-polar-optima-5-ht-30-m-l-0-32-mm-id-0-25-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_0e3ee6ba-836a-43f5-860b-1510341e4b95.png?v=1740070190</image:loc>
      <image:title>GC column, Nonpolarâ€“low polar, OPTIMA 5 HT, 30 m L, 0.32 mm ID, 0.25 Âµm df</image:title>
      <image:caption>GC column, Nonpolarâ€“low polar, OPTIMA 5 HT, 30 m L, 0.32 mm ID, 0.25 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726165_30-gc-column-mid-polar-optima-17-ms-30-m-l-0-32-mm-id-0-25-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_6a9b3c44-4db3-4a4b-8e98-0a0d03aa8058.png?v=1740070189</image:loc>
      <image:title>GC column, Mid-polar, OPTIMA 17 MS, 30 m L, 0.32 mm ID, 0.25 Âµm df</image:title>
      <image:caption>GC column, Mid-polar, OPTIMA 17 MS, 30 m L, 0.32 mm ID, 0.25 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726633_30-gc-column-mid-polar-optima-1701-ms-30-m-l-0-32-mm-id-0-25-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_5b2cd6c8-8675-4bd2-9d78-199bb25bf2b0.png?v=1740070189</image:loc>
      <image:title>GC column, Mid-polar, OPTIMA 1701 MS, 30 m L, 0.32 mm ID, 0.25 Âµm df</image:title>
      <image:caption>GC column, Mid-polar, OPTIMA 1701 MS, 30 m L, 0.32 mm ID, 0.25 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726634_30-gc-column-mid-polar-optima-1701-ms-30-m-l-0-32-mm-id-0-5-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_9971ff31-1d90-455c-a97c-de37c0677fd8.png?v=1740070187</image:loc>
      <image:title>GC column, Mid-polar, OPTIMA 1701 MS, 30 m L, 0.32 mm ID, 0.5 Âµm df</image:title>
      <image:caption>GC column, Mid-polar, OPTIMA 1701 MS, 30 m L, 0.32 mm ID, 0.5 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726641_30-gc-column-low-polar-mid-polar-optima-1301-ms-30-m-l-0-32-mm-id-0-25-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_d729f98f-1d8b-4e7d-9d9b-b3313e82bec4.png?v=1740070186</image:loc>
      <image:title>GC column, Low polarâ€“mid-polar, OPTIMA 1301 MS, 30 m L, 0.32 mm ID, 0.25 Âµm df</image:title>
      <image:caption>GC column, Low polarâ€“mid-polar, OPTIMA 1301 MS, 30 m L, 0.32 mm ID, 0.25 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726642_30-gc-column-low-polar-mid-polar-optima-1301-ms-30-m-l-0-32-mm-id-1-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_3666096c-a422-46a6-bb36-78df8708a7c6.png?v=1740070186</image:loc>
      <image:title>GC column, Low polarâ€“mid-polar, OPTIMA 1301 MS, 30 m L, 0.32 mm ID, 1 Âµm df</image:title>
      <image:caption>GC column, Low polarâ€“mid-polar, OPTIMA 1301 MS, 30 m L, 0.32 mm ID, 1 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726905_30-gc-column-for-methanol-optima-biodiesel-m-30-m-l-0-32-mm-id-proprietary-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_96a61fcc-2cbb-4182-9aa9-25d275e7e790.png?v=1740070185</image:loc>
      <image:title>GC column, for methanol, OPTIMA BioDiesel M, 30 m L, 0.32 mm ID, proprietary df</image:title>
      <image:caption>GC column, for methanol, OPTIMA BioDiesel M, 30 m L, 0.32 mm ID, proprietary df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726519_25-gc-column-nonpolar-optima-1-25-m-l-0-53-mm-id-0-5-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_fd78da25-8f56-48ea-b65c-f5203508a1b7.png?v=1740070184</image:loc>
      <image:title>GC column, Nonpolar, OPTIMA 1, 25 m L, 0.53 mm ID, 0.5 Âµm df</image:title>
      <image:caption>GC column, Nonpolar, OPTIMA 1, 25 m L, 0.53 mm ID, 0.5 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726519_30-gc-column-nonpolar-optima-1-30-m-l-0-53-mm-id-0-5-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_71f68727-f60c-4983-8c6a-02d21ef53fb0.png?v=1740070184</image:loc>
      <image:title>GC column, Nonpolar, OPTIMA 1, 30 m L, 0.53 mm ID, 0.5 Âµm df</image:title>
      <image:caption>GC column, Nonpolar, OPTIMA 1, 30 m L, 0.53 mm ID, 0.5 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726521_25-gc-column-nonpolar-optima-1-25-m-l-0-53-mm-id-2-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_934876ab-355d-4f69-b57b-e3fb38d53422.png?v=1740070183</image:loc>
      <image:title>GC column, Nonpolar, OPTIMA 1, 25 m L, 0.53 mm ID, 2 Âµm df</image:title>
      <image:caption>GC column, Nonpolar, OPTIMA 1, 25 m L, 0.53 mm ID, 2 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726521_30-gc-column-nonpolar-optima-1-30-m-l-0-53-mm-id-2-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_cecb9dd2-5270-49ca-bff8-88a6efa736b2.png?v=1740070182</image:loc>
      <image:title>GC column, Nonpolar, OPTIMA 1, 30 m L, 0.53 mm ID, 2 Âµm df</image:title>
      <image:caption>GC column, Nonpolar, OPTIMA 1, 30 m L, 0.53 mm ID, 2 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726529_25-gc-column-nonpolar-optima-1-25-m-l-0-53-mm-id-1-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_05fc1627-5b89-44b6-bc86-dbcebeb1fe70.png?v=1740070182</image:loc>
      <image:title>GC column, Nonpolar, OPTIMA 1, 25 m L, 0.53 mm ID, 1 Âµm df</image:title>
      <image:caption>GC column, Nonpolar, OPTIMA 1, 25 m L, 0.53 mm ID, 1 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726529_30-gc-column-nonpolar-optima-1-30-m-l-0-53-mm-id-1-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_a80fb9c3-7ecb-4f3f-bf36-1be90395318b.png?v=1740070181</image:loc>
      <image:title>GC column, Nonpolar, OPTIMA 1, 30 m L, 0.53 mm ID, 1 Âµm df</image:title>
      <image:caption>GC column, Nonpolar, OPTIMA 1, 30 m L, 0.53 mm ID, 1 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726926_25-gc-column-nonpolar-optima-1-25-m-l-0-53-mm-id-5-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_b9e0d8fa-48f2-4b1c-ba8e-24267c7da2d3.png?v=1740070180</image:loc>
      <image:title>GC column, Nonpolar, OPTIMA 1, 25 m L, 0.53 mm ID, 5 Âµm df</image:title>
      <image:caption>GC column, Nonpolar, OPTIMA 1, 25 m L, 0.53 mm ID, 5 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726926_30-gc-column-nonpolar-optima-1-30-m-l-0-53-mm-id-5-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_3a933c88-a8d1-4a27-a83e-7f5e0aea796c.png?v=1740070180</image:loc>
      <image:title>GC column, Nonpolar, OPTIMA 1, 30 m L, 0.53 mm ID, 5 Âµm df</image:title>
      <image:caption>GC column, Nonpolar, OPTIMA 1, 30 m L, 0.53 mm ID, 5 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726523_25-gc-column-nonpolar-low-polar-optima-5-25-m-l-0-53-mm-id-0-5-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_2e842610-40f1-4ee8-a689-75cced03865f.png?v=1740070179</image:loc>
      <image:title>GC column, Nonpolarâ€“low polar, OPTIMA 5, 25 m L, 0.53 mm ID, 0.5 Âµm df</image:title>
      <image:caption>GC column, Nonpolarâ€“low polar, OPTIMA 5, 25 m L, 0.53 mm ID, 0.5 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726523_30-gc-column-nonpolar-low-polar-optima-5-30-m-l-0-53-mm-id-0-5-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_db432468-8617-4167-8168-795667adcb2a.png?v=1740070178</image:loc>
      <image:title>GC column, Nonpolarâ€“low polar, OPTIMA 5, 30 m L, 0.53 mm ID, 0.5 Âµm df</image:title>
      <image:caption>GC column, Nonpolarâ€“low polar, OPTIMA 5, 30 m L, 0.53 mm ID, 0.5 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726525_25-gc-column-nonpolar-low-polar-optima-5-25-m-l-0-53-mm-id-2-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_892ee334-2734-4765-a059-85dd6612a960.png?v=1740070178</image:loc>
      <image:title>GC column, Nonpolarâ€“low polar, OPTIMA 5, 25 m L, 0.53 mm ID, 2 Âµm df</image:title>
      <image:caption>GC column, Nonpolarâ€“low polar, OPTIMA 5, 25 m L, 0.53 mm ID, 2 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726525_30-gc-column-nonpolar-low-polar-optima-5-30-m-l-0-53-mm-id-2-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_3c1268be-d46f-4918-bea4-8743342270e6.png?v=1740070177</image:loc>
      <image:title>GC column, Nonpolarâ€“low polar, OPTIMA 5, 30 m L, 0.53 mm ID, 2 Âµm df</image:title>
      <image:caption>GC column, Nonpolarâ€“low polar, OPTIMA 5, 30 m L, 0.53 mm ID, 2 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726541_25-gc-column-nonpolar-low-polar-optima-5-25-m-l-0-53-mm-id-1-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_b0545aec-803e-4db1-86da-06a77041c02d.png?v=1740070176</image:loc>
      <image:title>GC column, Nonpolarâ€“low polar, OPTIMA 5, 25 m L, 0.53 mm ID, 1 Âµm df</image:title>
      <image:caption>GC column, Nonpolarâ€“low polar, OPTIMA 5, 25 m L, 0.53 mm ID, 1 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726541_30-gc-column-nonpolar-low-polar-optima-5-30-m-l-0-53-mm-id-1-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_705e9ce5-0735-4ebd-b0ef-bf479258a647.png?v=1740070176</image:loc>
      <image:title>GC column, Nonpolarâ€“low polar, OPTIMA 5, 30 m L, 0.53 mm ID, 1 Âµm df</image:title>
      <image:caption>GC column, Nonpolarâ€“low polar, OPTIMA 5, 30 m L, 0.53 mm ID, 1 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726916_25-gc-column-nonpolar-low-polar-optima-5-25-m-l-0-53-mm-id-5-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_665d534e-74d5-40dc-a521-798ae8fc94f7.png?v=1740070176</image:loc>
      <image:title>GC column, Nonpolarâ€“low polar, OPTIMA 5, 25 m L, 0.53 mm ID, 5 Âµm df</image:title>
      <image:caption>GC column, Nonpolarâ€“low polar, OPTIMA 5, 25 m L, 0.53 mm ID, 5 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726916_30-gc-column-nonpolar-low-polar-optima-5-30-m-l-0-53-mm-id-5-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_e8ba5f1a-0474-45db-a9d9-6d2870dfd9b2.png?v=1740070175</image:loc>
      <image:title>GC column, Nonpolarâ€“low polar, OPTIMA 5, 30 m L, 0.53 mm ID, 5 Âµm df</image:title>
      <image:caption>GC column, Nonpolarâ€“low polar, OPTIMA 5, 30 m L, 0.53 mm ID, 5 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726747_25-gc-column-mid-polar-optima-17-25-m-l-0-53-mm-id-1-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_822cc926-c537-434f-9073-43d7df162190.png?v=1740070175</image:loc>
      <image:title>GC column, Mid-polar, OPTIMA 17, 25 m L, 0.53 mm ID, 1 Âµm df</image:title>
      <image:caption>GC column, Mid-polar, OPTIMA 17, 25 m L, 0.53 mm ID, 1 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726747_30-gc-column-mid-polar-optima-17-30-m-l-0-53-mm-id-1-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_5575797e-b16d-48c9-918c-670b093d0d6a.png?v=1740070174</image:loc>
      <image:title>GC column, Mid-polar, OPTIMA 17, 30 m L, 0.53 mm ID, 1 Âµm df</image:title>
      <image:caption>GC column, Mid-polar, OPTIMA 17, 30 m L, 0.53 mm ID, 1 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726545_25-gc-column-low-polar-mid-polar-optima-1701-25-m-l-0-53-mm-id-1-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_f02a31f0-fc0e-4587-a001-46dcbce8d104.png?v=1740070174</image:loc>
      <image:title>GC column, Low polarâ€“Mid-polar, OPTIMA 1701, 25 m L, 0.53 mm ID, 1 Âµm df</image:title>
      <image:caption>GC column, Low polarâ€“Mid-polar, OPTIMA 1701, 25 m L, 0.53 mm ID, 1 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726545_30-gc-column-low-polar-mid-polar-optima-1701-30-m-l-0-53-mm-id-1-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_25e334fc-b1c9-44b3-b188-e3d45b48417f.png?v=1740070173</image:loc>
      <image:title>GC column, Low polarâ€“Mid-polar, OPTIMA 1701, 30 m L, 0.53 mm ID, 1 Âµm df</image:title>
      <image:caption>GC column, Low polarâ€“Mid-polar, OPTIMA 1701, 30 m L, 0.53 mm ID, 1 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726735_25-gc-column-low-polar-mid-polar-optima-1701-25-m-l-0-53-mm-id-2-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_bf61e2f5-14e4-4306-ab3d-df642644478e.png?v=1740070173</image:loc>
      <image:title>GC column, Low polarâ€“Mid-polar, OPTIMA 1701, 25 m L, 0.53 mm ID, 2 Âµm df</image:title>
      <image:caption>GC column, Low polarâ€“Mid-polar, OPTIMA 1701, 25 m L, 0.53 mm ID, 2 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726735_30-gc-column-low-polar-mid-polar-optima-1701-30-m-l-0-53-mm-id-2-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_739893c7-2624-480d-9786-6c7ca10fe19e.png?v=1740070172</image:loc>
      <image:title>GC column, Low polarâ€“Mid-polar, OPTIMA 1701, 30 m L, 0.53 mm ID, 2 Âµm df</image:title>
      <image:caption>GC column, Low polarâ€“Mid-polar, OPTIMA 1701, 30 m L, 0.53 mm ID, 2 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726783_25-gc-column-low-polar-mid-polar-optima-1301-25-m-l-0-53-mm-id-1-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_9e06fba7-6f7a-464e-b3b3-cbb6e63c98b3.png?v=1740070172</image:loc>
      <image:title>GC column, Low polarâ€“Mid-polar, OPTIMA 1301, 25 m L, 0.53 mm ID, 1 Âµm df</image:title>
      <image:caption>GC column, Low polarâ€“Mid-polar, OPTIMA 1301, 25 m L, 0.53 mm ID, 1 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726789_25-gc-column-mid-polar-optima-624-25-m-l-0-53-mm-id-3-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_5ad5a3af-eb50-4d4c-973d-46c5016353ad.png?v=1740070171</image:loc>
      <image:title>GC column, Mid-polar, OPTIMA 624, 25 m L, 0.53 mm ID, 3 Âµm df</image:title>
      <image:caption>GC column, Mid-polar, OPTIMA 624, 25 m L, 0.53 mm ID, 3 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726789_30-gc-column-mid-polar-optima-624-30-m-l-0-53-mm-id-3-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_6d7b31ea-390c-4cd0-9273-a056155a6dfe.png?v=1740070171</image:loc>
      <image:title>GC column, Mid-polar, OPTIMA 624, 30 m L, 0.53 mm ID, 3 Âµm df</image:title>
      <image:caption>GC column, Mid-polar, OPTIMA 624, 30 m L, 0.53 mm ID, 3 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726548_30-gc-column-polar-optima-wax-30-m-l-0-53-mm-id-2-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_18ee0cf9-d80b-4c03-9cbc-a02cee17634f.png?v=1740070171</image:loc>
      <image:title>GC column, Polar, OPTIMA WAX, 30 m L, 0.53 mm ID, 2 Âµm df</image:title>
      <image:caption>GC column, Polar, OPTIMA WAX, 30 m L, 0.53 mm ID, 2 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726549_25-gc-column-polar-optima-wax-25-m-l-0-53-mm-id-1-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_84749299-f10d-4827-922a-ff93f45d7451.png?v=1740070170</image:loc>
      <image:title>GC column, Polar, OPTIMA WAX, 25 m L, 0.53 mm ID, 1 Âµm df</image:title>
      <image:caption>GC column, Polar, OPTIMA WAX, 25 m L, 0.53 mm ID, 1 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726549_30-gc-column-polar-optima-wax-30-m-l-0-53-mm-id-1-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_3dc10515-ed16-4cff-aa12-06772893a38d.png?v=1740070170</image:loc>
      <image:title>GC column, Polar, OPTIMA WAX, 30 m L, 0.53 mm ID, 1 Âµm df</image:title>
      <image:caption>GC column, Polar, OPTIMA WAX, 30 m L, 0.53 mm ID, 1 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726345_30-gc-column-polar-optima-ffap-30-m-l-0-53-mm-id-0-5-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_433655e0-ac08-46aa-b2d6-b4b097522034.png?v=1740070169</image:loc>
      <image:title>GC column, Polar, OPTIMA FFAP, 30 m L, 0.53 mm ID, 0.5 Âµm df</image:title>
      <image:caption>GC column, Polar, OPTIMA FFAP, 30 m L, 0.53 mm ID, 0.5 &amp;micro;m df</image:caption>
    </image:image>
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  <url>
    <loc>https://esslabshop.com/products/726346_25-gc-column-polar-optima-ffap-25-m-l-0-53-mm-id-1-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_b284e5a2-58f1-4cac-acc3-dbdc47781254.png?v=1740070169</image:loc>
      <image:title>GC column, Polar, OPTIMA FFAP, 25 m L, 0.53 mm ID, 1 Âµm df</image:title>
      <image:caption>GC column, Polar, OPTIMA FFAP, 25 m L, 0.53 mm ID, 1 &amp;micro;m df</image:caption>
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  <url>
    <loc>https://esslabshop.com/products/730924_250-spe-columns-chromabond-hlb-60-m-3-ml-200-mg</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/Place_holder_86f873f3-e9b0-44ef-b3d3-8f6b27e373f3.jpg?v=1740070168</image:loc>
      <image:title>SPE columns, CHROMABOND HLB, 60 Âµm, 3 mL/200 mg</image:title>
      <image:caption>SPE columns, CHROMABOND HLB, 60 &amp;micro;m, 3 mL/200 mg</image:caption>
    </image:image>
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    <loc>https://esslabshop.com/products/816410_5-tlc-adsorbent-bulk-silica-gel-g-hr-contains-gypsum-high-purity-grade</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/TLC_bulk_adsorbent_silica_gel_GHR_UV254_5kg_chromatography_macherey_nagel_mn.jpg?v=1740070168</image:loc>
      <image:title>TLC adsorbent (bulk), Silica gel G-HR, contains gypsum, high purity grade</image:title>
      <image:caption>TLC adsorbent (bulk), Silica gel G-HR, contains gypsum, high purity grade</image:caption>
    </image:image>
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  <url>
    <loc>https://esslabshop.com/products/720936_46-ec-hplc-column-analytical-nucleosil-100-5-c18-ab-5-m-250x4-6-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEOSIL_chromatography_cd42d104-7f07-4091-926c-fac186bfb4cd.png?v=1740070167</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEOSIL 100-5 C18 AB, 5 Âµm, 250x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEOSIL 100-5 C18 AB, 5 &amp;micro;m, 250x4.6 mm</image:caption>
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  <url>
    <loc>https://esslabshop.com/products/720133_46-ec-hplc-column-analytical-nucleosil-100-3-c18-3-m-250x4-6-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEOSIL_chromatography_e3bd4b9a-3cc0-4c47-b8f7-f11df56de9b9.png?v=1740070167</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEOSIL 100-3 C18, 3 Âµm, 250x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEOSIL 100-3 C18, 3 &amp;micro;m, 250x4.6 mm</image:caption>
    </image:image>
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  <url>
    <loc>https://esslabshop.com/products/720055_46-ec-hplc-column-analytical-nucleosil-120-3-c18-3-m-250x4-6-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEOSIL_chromatography_99515186-b388-4ffd-bddb-134ba2a451fb.png?v=1740070166</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEOSIL 120-3 C18, 3 Âµm, 250x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEOSIL 120-3 C18, 3 &amp;micro;m, 250x4.6 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/720275_46-ec-hplc-column-analytical-nucleosil-100-3-nh2-3-m-250x4-6-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEOSIL_chromatography_fbea53ff-59ba-42d9-af45-03cafb5a5043.png?v=1740070165</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEOSIL 100-3 NH2, 3 Âµm, 250x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEOSIL 100-3 NH2, 3 &amp;micro;m, 250x4.6 mm</image:caption>
    </image:image>
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  <url>
    <loc>https://esslabshop.com/products/760080_46-ec-hplc-column-analytical-nucleodur-c18-gravity-3-m-50x4-6-mm</loc>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_478f3083-cae8-4c73-a4f2-0c028cc6e975.png?v=1740070165</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR C18 Gravity, 3 Âµm, 50x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR C18 Gravity, 3 &amp;micro;m, 50x4.6 mm</image:caption>
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  <url>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_e3a9e568-aa2c-48b0-9e3a-83eae4066c34.png?v=1740070164</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR C18 Gravity, 3 Âµm, 75x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR C18 Gravity, 3 &amp;micro;m, 75x4.6 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760603_46-ec-hplc-column-analytical-nucleodur-c18-gravity-sb-3-m-50x4-6-mm</loc>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_8f970713-b72b-4324-8c85-5c46ac7175e9.png?v=1740070164</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR C18 Gravity-SB, 3 Âµm, 50x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR C18 Gravity-SB, 3 &amp;micro;m, 50x4.6 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760605_46-ec-hplc-column-analytical-nucleodur-c18-gravity-sb-3-m-75x4-6-mm</loc>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_198fe81e-98f5-489b-9e2f-ace970ece2b0.png?v=1740070163</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR C18 Gravity-SB, 3 Âµm, 75x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR C18 Gravity-SB, 3 &amp;micro;m, 75x4.6 mm</image:caption>
    </image:image>
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  <url>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_72e6e025-89e7-473f-b611-724853d90998.png?v=1740070163</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR C8 Gravity, 3 Âµm, 50x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR C8 Gravity, 3 &amp;micro;m, 50x4.6 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760655_46-ec-hplc-column-analytical-nucleodur-c8-gravity-3-m-75x4-6-mm</loc>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_3635edee-9187-4985-ae82-470ef831992e.png?v=1740070162</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR C8 Gravity, 3 Âµm, 75x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR C8 Gravity, 3 &amp;micro;m, 75x4.6 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760397_46-ec-hplc-column-analytical-nucleodur-c18-isis-3-m-75x4-6-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_1e7fc65d-d9d9-4c1f-ae70-29cf9c3a0fa3.png?v=1740070162</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR C18 Isis, 3 Âµm, 75x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR C18 Isis, 3 &amp;micro;m, 75x4.6 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760400_46-ec-hplc-column-analytical-nucleodur-c18-isis-3-m-50x4-6-mm</loc>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_07ad918f-efc1-46c4-8cb2-40be8ad7d687.png?v=1740070161</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR C18 Isis, 3 Âµm, 50x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR C18 Isis, 3 &amp;micro;m, 50x4.6 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760259_46-ec-hplc-column-analytical-nucleodur-c18-pyramid-3-m-75x4-6-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_51eaa3e4-6288-413a-8ce4-a2b05b04962c.png?v=1740070161</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR C18 Pyramid, 3 Âµm, 75x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR C18 Pyramid, 3 &amp;micro;m, 75x4.6 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760263_46-ec-hplc-column-analytical-nucleodur-c18-pyramid-3-m-50x4-6-mm</loc>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_57e2c3eb-510a-4276-bdfe-9bdd0c4aa928.png?v=1740070160</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR C18 Pyramid, 3 Âµm, 50x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR C18 Pyramid, 3 &amp;micro;m, 50x4.6 mm</image:caption>
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  </url>
  <url>
    <loc>https://esslabshop.com/products/760806_46-ec-hplc-column-analytical-nucleodur-sphinx-rp-3-m-50x4-6-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_42a179e9-0976-4928-b8ec-88b0fad87e61.png?v=1740070160</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR Sphinx RP, 3 Âµm, 50x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR Sphinx RP, 3 &amp;micro;m, 50x4.6 mm</image:caption>
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  <url>
    <loc>https://esslabshop.com/products/760813_46-ec-hplc-column-analytical-nucleodur-sphinx-rp-3-m-75x4-6-mm</loc>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_e0522bcf-f460-4f77-84ab-ccb2f310e121.png?v=1740070159</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR Sphinx RP, 3 Âµm, 75x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR Sphinx RP, 3 &amp;micro;m, 75x4.6 mm</image:caption>
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  <url>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_fedb22aa-c640-4c35-8bc7-e2e44ad28d69.png?v=1740070159</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR C18 HTec, 3 Âµm, 50x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR C18 HTec, 3 &amp;micro;m, 50x4.6 mm</image:caption>
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  </url>
  <url>
    <loc>https://esslabshop.com/products/760322_46-ec-hplc-column-analytical-nucleodur-c18-htec-3-m-75x4-6-mm</loc>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_13377d01-bb26-4256-95cb-10aaff77083f.png?v=1740070158</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR C18 HTec, 3 Âµm, 75x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR C18 HTec, 3 &amp;micro;m, 75x4.6 mm</image:caption>
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  <url>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_612f55a7-cc6e-4563-9f6f-bea88529ee19.png?v=1740070158</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR PolarTec, 3 Âµm, 50x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR PolarTec, 3 &amp;micro;m, 50x4.6 mm</image:caption>
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  <url>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_446d92f0-da3a-41a9-8309-e29fe95940f9.png?v=1740070157</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR PolarTec, 3 Âµm, 75x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR PolarTec, 3 &amp;micro;m, 75x4.6 mm</image:caption>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_13423b73-03eb-4e0e-805d-f9850dba456b.png?v=1740070157</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR PFP, 3 Âµm, 50x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR PFP, 3 &amp;micro;m, 50x4.6 mm</image:caption>
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  <url>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_9a0828f3-4fa7-446f-a8db-ca32c9fd9521.png?v=1740070156</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR PFP, 3 Âµm, 75x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR PFP, 3 &amp;micro;m, 75x4.6 mm</image:caption>
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    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_5db15f54-4d3b-4f6d-88dc-da1ec89112bc.png?v=1740070156</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR Phenyl-Hexyl, 3 Âµm, 50x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR Phenyl-Hexyl, 3 &amp;micro;m, 50x4.6 mm</image:caption>
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  <url>
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    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>EC HPLC column (analytical), NUCLEODUR Phenyl-Hexyl, 3 Âµm, 75x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR Phenyl-Hexyl, 3 &amp;micro;m, 75x4.6 mm</image:caption>
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    <changefreq>daily</changefreq>
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    <changefreq>daily</changefreq>
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      <image:title>EC HPLC column (analytical), NUCLEOSHELL RP 18, 5 Âµm, 50x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEOSHELL RP 18, 5 &amp;micro;m, 50x4.6 mm</image:caption>
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      <image:title>EC HPLC column (analytical), NUCLEOSHELL RP 18plus, 5 Âµm, 50x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEOSHELL RP 18plus, 5 &amp;micro;m, 50x4.6 mm</image:caption>
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    <changefreq>daily</changefreq>
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      <image:title>EC HPLC column (analytical), NUCLEOSHELL RP 18, 2.7 Âµm, 50x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEOSHELL RP 18, 2.7 &amp;micro;m, 50x4.6 mm</image:caption>
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    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>EC HPLC column (analytical), NUCLEOSHELL RP 18plus, 2.7 Âµm, 50x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEOSHELL RP 18plus, 2.7 &amp;micro;m, 50x4.6 mm</image:caption>
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    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>EC HPLC column (analytical), NUCLEOSHELL HILIC, 2.7 Âµm, 50x4.6 mm</image:title>
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    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>EC HPLC column (analytical), NUCLEOSHELL Bluebird RP 18, 2.7 Âµm, 50x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEOSHELL Bluebird RP 18, 2.7 &amp;micro;m, 50x4.6 mm</image:caption>
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  <url>
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    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>EC HPLC column (analytical), NUCLEOSHELL Bluebird RP 18, 2.7 Âµm, 75x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEOSHELL Bluebird RP 18, 2.7 &amp;micro;m, 75x4.6 mm</image:caption>
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  <url>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_cbcf34b3-a71b-413d-8996-45543a722382.png?v=1740070151</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEOSHELL PFP, 2.7 Âµm, 50x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEOSHELL PFP, 2.7 &amp;micro;m, 50x4.6 mm</image:caption>
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    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>EC HPLC column (analytical), NUCLEOSHELL Phenyl-Hexyl, 2.7 Âµm, 50x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEOSHELL Phenyl-Hexyl, 2.7 &amp;micro;m, 50x4.6 mm</image:caption>
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    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>EC UHPLC column (analytical), NUCLEODUR C18 Gravity, 1.8 Âµm, 30x4.6 mm</image:title>
      <image:caption>EC UHPLC column (analytical), NUCLEODUR C18 Gravity, 1.8 &amp;micro;m, 30x4.6 mm</image:caption>
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    <changefreq>daily</changefreq>
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      <image:title>EC UHPLC column (analytical), NUCLEODUR C18 Gravity, 1.8 Âµm, 50x4.6 mm</image:title>
      <image:caption>EC UHPLC column (analytical), NUCLEODUR C18 Gravity, 1.8 &amp;micro;m, 50x4.6 mm</image:caption>
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    <changefreq>daily</changefreq>
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      <image:title>EC UHPLC column (analytical), NUCLEODUR C18 Gravity-SB, 1.8 Âµm, 30x4.6 mm</image:title>
      <image:caption>EC UHPLC column (analytical), NUCLEODUR C18 Gravity-SB, 1.8 &amp;micro;m, 30x4.6 mm</image:caption>
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    <changefreq>daily</changefreq>
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      <image:title>EC UHPLC column (analytical), NUCLEODUR C18 Gravity-SB, 1.8 Âµm, 50x4.6 mm</image:title>
      <image:caption>EC UHPLC column (analytical), NUCLEODUR C18 Gravity-SB, 1.8 &amp;micro;m, 50x4.6 mm</image:caption>
    </image:image>
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    <changefreq>daily</changefreq>
    <image:image>
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    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>EC UHPLC column (analytical), NUCLEODUR C8 Gravity, 1.8 Âµm, 30x4.6 mm</image:title>
      <image:caption>EC UHPLC column (analytical), NUCLEODUR C8 Gravity, 1.8 &amp;micro;m, 30x4.6 mm</image:caption>
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    <changefreq>daily</changefreq>
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      <image:title>EC UHPLC column (analytical), NUCLEODUR C18 Isis, 1.8 Âµm, 50x4.6 mm</image:title>
      <image:caption>EC UHPLC column (analytical), NUCLEODUR C18 Isis, 1.8 &amp;micro;m, 50x4.6 mm</image:caption>
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  </url>
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    <changefreq>daily</changefreq>
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      <image:title>EC UHPLC column (analytical), NUCLEODUR C18 Isis, 1.8 Âµm, 30x4.6 mm</image:title>
      <image:caption>EC UHPLC column (analytical), NUCLEODUR C18 Isis, 1.8 &amp;micro;m, 30x4.6 mm</image:caption>
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    <changefreq>daily</changefreq>
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      <image:title>EC UHPLC column (analytical), NUCLEODUR C18 Pyramid, 1.8 Âµm, 30x4.6 mm</image:title>
      <image:caption>EC UHPLC column (analytical), NUCLEODUR C18 Pyramid, 1.8 &amp;micro;m, 30x4.6 mm</image:caption>
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    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>EC UHPLC column (analytical), NUCLEODUR C18 Pyramid, 1.8 Âµm, 50x4.6 mm</image:title>
      <image:caption>EC UHPLC column (analytical), NUCLEODUR C18 Pyramid, 1.8 &amp;micro;m, 50x4.6 mm</image:caption>
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    <changefreq>daily</changefreq>
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      <image:title>EC UHPLC column (analytical), NUCLEODUR Sphinx RP, 1.8 Âµm, 30x4.6 mm</image:title>
      <image:caption>EC UHPLC column (analytical), NUCLEODUR Sphinx RP, 1.8 &amp;micro;m, 30x4.6 mm</image:caption>
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    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>EC UHPLC column (analytical), NUCLEODUR Sphinx RP, 1.8 Âµm, 50x4.6 mm</image:title>
      <image:caption>EC UHPLC column (analytical), NUCLEODUR Sphinx RP, 1.8 &amp;micro;m, 50x4.6 mm</image:caption>
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    <changefreq>daily</changefreq>
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      <image:title>EC UHPLC column (analytical), NUCLEODUR C18 HTec, 1.8 Âµm, 30x4.6 mm</image:title>
      <image:caption>EC UHPLC column (analytical), NUCLEODUR C18 HTec, 1.8 &amp;micro;m, 30x4.6 mm</image:caption>
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    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>EC UHPLC column (analytical), NUCLEODUR C18 HTec, 1.8 Âµm, 50x4.6 mm</image:title>
      <image:caption>EC UHPLC column (analytical), NUCLEODUR C18 HTec, 1.8 &amp;micro;m, 50x4.6 mm</image:caption>
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    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:title>EC UHPLC column (analytical), NUCLEODUR PolarTec, 1.8 Âµm, 30x4.6 mm</image:title>
      <image:caption>EC UHPLC column (analytical), NUCLEODUR PolarTec, 1.8 &amp;micro;m, 30x4.6 mm</image:caption>
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      <image:caption>EC UHPLC column (analytical), NUCLEODUR PolarTec, 1.8 &amp;micro;m, 50x4.6 mm</image:caption>
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      <image:title>EC UHPLC column (analytical), NUCLEODUR PFP, 1.8 Âµm, 30x4.6 mm</image:title>
      <image:caption>EC UHPLC column (analytical), NUCLEODUR PFP, 1.8 &amp;micro;m, 30x4.6 mm</image:caption>
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      <image:title>EC UHPLC column (analytical), NUCLEODUR PFP, 1.8 Âµm, 50x4.6 mm</image:title>
      <image:caption>EC UHPLC column (analytical), NUCLEODUR PFP, 1.8 &amp;micro;m, 50x4.6 mm</image:caption>
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      <image:caption>EC UHPLC column (analytical), NUCLEODUR Phenyl-Hexyl, 1.8 &amp;micro;m, 30x4.6 mm</image:caption>
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    <changefreq>daily</changefreq>
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      <image:title>EC UHPLC column (analytical), NUCLEODUR Phenyl-Hexyl, 1.8 Âµm, 50x4.6 mm</image:title>
      <image:caption>EC UHPLC column (analytical), NUCLEODUR Phenyl-Hexyl, 1.8 &amp;micro;m, 50x4.6 mm</image:caption>
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    <changefreq>daily</changefreq>
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      <image:title>EC UHPLC column (analytical), NUCLEODUR HILIC, 1.8 Âµm, 30x4.6 mm</image:title>
      <image:caption>EC UHPLC column (analytical), NUCLEODUR HILIC, 1.8 &amp;micro;m, 30x4.6 mm</image:caption>
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    <changefreq>daily</changefreq>
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      <image:title>EC UHPLC column (analytical), NUCLEODUR HILIC, 1.8 Âµm, 50x4.6 mm</image:title>
      <image:caption>EC UHPLC column (analytical), NUCLEODUR HILIC, 1.8 &amp;micro;m, 50x4.6 mm</image:caption>
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    <changefreq>daily</changefreq>
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      <image:title>EC HPLC column (analytical), NUCLEOSHELL Biphenyl, 2.7 Âµm, 50x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEOSHELL Biphenyl, 2.7 &amp;micro;m, 50x4.6 mm</image:caption>
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    <changefreq>daily</changefreq>
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      <image:title>EC HPLC column (analytical), NUCLEODUR Ï€&amp;sup2;, 3 Âµm, 50x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR Ï€&amp;sup2;, 3 &amp;micro;m, 50x4.6 mm</image:caption>
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    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>EC HPLC column (analytical), NUCLEODUR Ï€&amp;sup2;, 3 Âµm, 75x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR Ï€&amp;sup2;, 3 &amp;micro;m, 75x4.6 mm</image:caption>
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      <image:title>CHROMABOND Flash BT 200 SiOH cartridges, 40â€“63 Âµm, 200 g</image:title>
      <image:caption>CHROMABOND Flash BT 200 SiOH cartridges, 40â€“63 &amp;micro;m, 200 g</image:caption>
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      <image:title>CHROMABOND Flash RS 200 SiOH cartridges, 40â€“63 Âµm, 200 g</image:title>
      <image:caption>CHROMABOND Flash RS 200 SiOH cartridges, 40â€“63 &amp;micro;m, 200 g</image:caption>
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      <image:title>CHROMABOND Flash RS 800 SiOH cartridges, 15â€“40 Âµm, 800 g</image:title>
      <image:caption>CHROMABOND Flash RS 800 SiOH cartridges, 15â€“40 &amp;micro;m, 800 g</image:caption>
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      <image:title>TLC adsorbent (bulk), Polyamide</image:title>
      <image:caption>TLC adsorbent (bulk), Polyamide</image:caption>
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  <url>
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    <changefreq>daily</changefreq>
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      <image:title>EC HPLC column (analytical), NUCLEODUR C18 Gravity, 5 Âµm, 250x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR C18 Gravity, 5 &amp;micro;m, 250x4.6 mm</image:caption>
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  <url>
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    <changefreq>daily</changefreq>
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      <image:title>EC HPLC column (analytical), NUCLEODUR C18 Gravity-SB, 5 Âµm, 250x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR C18 Gravity-SB, 5 &amp;micro;m, 250x4.6 mm</image:caption>
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    <changefreq>daily</changefreq>
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      <image:title>EC HPLC column (analytical), NUCLEODUR C8 Gravity, 5 Âµm, 250x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR C8 Gravity, 5 &amp;micro;m, 250x4.6 mm</image:caption>
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    <changefreq>daily</changefreq>
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      <image:title>EC HPLC column (analytical), NUCLEODUR Ï€&amp;sup2;, 5 Âµm, 250x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR Ï€&amp;sup2;, 5 &amp;micro;m, 250x4.6 mm</image:caption>
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    <changefreq>daily</changefreq>
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      <image:title>EC HPLC column (analytical), NUCLEODUR C18 Isis, 5 Âµm, 250x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR C18 Isis, 5 &amp;micro;m, 250x4.6 mm</image:caption>
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    <changefreq>daily</changefreq>
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      <image:title>EC HPLC column (analytical), NUCLEODUR C18 Pyramid, 5 Âµm, 250x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR C18 Pyramid, 5 &amp;micro;m, 250x4.6 mm</image:caption>
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    <changefreq>daily</changefreq>
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      <image:title>EC HPLC column (analytical), NUCLEODUR Sphinx RP, 5 Âµm, 250x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR Sphinx RP, 5 &amp;micro;m, 250x4.6 mm</image:caption>
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    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_bf6833b1-11f6-43e8-b5e4-767dceac1dc4.png?v=1740070132</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR C18 HTec, 5 Âµm, 250x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR C18 HTec, 5 &amp;micro;m, 250x4.6 mm</image:caption>
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    <changefreq>daily</changefreq>
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      <image:title>EC HPLC column (analytical), NUCLEODUR PolarTec, 5 Âµm, 250x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR PolarTec, 5 &amp;micro;m, 250x4.6 mm</image:caption>
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    <changefreq>daily</changefreq>
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      <image:title>EC HPLC column (analytical), NUCLEODUR PFP, 5 Âµm, 250x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR PFP, 5 &amp;micro;m, 250x4.6 mm</image:caption>
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    <changefreq>daily</changefreq>
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      <image:title>EC HPLC column (analytical), NUCLEODUR Phenyl-Hexyl, 5 Âµm, 250x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR Phenyl-Hexyl, 5 &amp;micro;m, 250x4.6 mm</image:caption>
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    <changefreq>daily</changefreq>
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      <image:title>EC HPLC column (analytical), NUCLEODUR HILIC, 5 Âµm, 250x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR HILIC, 5 &amp;micro;m, 250x4.6 mm</image:caption>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_7b51879d-ea63-4697-8658-143e26d68ec8.png?v=1740070129</image:loc>
      <image:title>GC column, Nonpolar, OPTIMA 1 MS Accent, 30 m L, 0.32 mm ID, 0.25 Âµm df</image:title>
      <image:caption>GC column, Nonpolar, OPTIMA 1 MS Accent, 30 m L, 0.32 mm ID, 0.25 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/725807_30-gc-column-nonpolar-optima-1-ms-accent-30-m-l-0-32-mm-id-0-5-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_2f6cefee-50ff-4fd5-a4e6-5f4af2ee1f91.png?v=1740070128</image:loc>
      <image:title>GC column, Nonpolar, OPTIMA 1 MS Accent, 30 m L, 0.32 mm ID, 0.5 Âµm df</image:title>
      <image:caption>GC column, Nonpolar, OPTIMA 1 MS Accent, 30 m L, 0.32 mm ID, 0.5 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/725811_30-gc-column-nonpolar-low-polar-optima-5-ms-accent-30-m-l-0-32-mm-id-0-25-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_ea7c4bda-cea8-4e6f-ae06-0d01c8880664.png?v=1740070128</image:loc>
      <image:title>GC column, Nonpolarâ€“low polar, OPTIMA 5 MS Accent, 30 m L, 0.32 mm ID,0.25 Âµm df</image:title>
      <image:caption>GC column, Nonpolarâ€“low polar, OPTIMA 5 MS Accent, 30 m L, 0.32 mm ID,0.25 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/725812_25-gc-column-nonpolar-low-polar-optima-5-ms-accent-25-m-l-0-32-mm-id-1-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_4108c290-76a8-416c-9e26-7443886748af.png?v=1740070127</image:loc>
      <image:title>GC column, Nonpolarâ€“low polar, OPTIMA 5 MS Accent, 25 m L, 0.32 mm ID, 1 Âµm df</image:title>
      <image:caption>GC column, Nonpolarâ€“low polar, OPTIMA 5 MS Accent, 25 m L, 0.32 mm ID, 1 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/725813_30-gc-column-nonpolar-low-polar-optima-5-ms-accent-30-m-l-0-32-mm-id-0-5-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_bc8f2468-19d1-480d-b8e3-c4a2f67e82b2.png?v=1740070127</image:loc>
      <image:title>GC column, Nonpolarâ€“low polar, OPTIMA 5 MS Accent, 30 m L, 0.32 mm ID, 0.5 Âµm df</image:title>
      <image:caption>GC column, Nonpolarâ€“low polar, OPTIMA 5 MS Accent, 30 m L, 0.32 mm ID, 0.5 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726440_30-gc-column-low-polar-mid-polar-optima-delta-3-30-m-l-0-32-mm-id-0-25-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_bb43c9e7-90d3-453c-801f-02f0169b49da.png?v=1740070126</image:loc>
      <image:title>GC column, Low polarâ€“mid-polar, OPTIMA DELTA-3, 30 m L, 0.32 mm ID, 0.25 Âµm df</image:title>
      <image:caption>GC column, Low polarâ€“mid-polar, OPTIMA DELTA-3, 30 m L, 0.32 mm ID, 0.25 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726441_30-gc-column-low-polar-mid-polar-optima-delta-3-30-m-l-0-32-mm-id-0-35-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_9989b493-7187-4da3-87a8-2d031a9dd01f.png?v=1740070126</image:loc>
      <image:title>GC column, Low polarâ€“mid-polar, OPTIMA DELTA-3, 30 m L, 0.32 mm ID, 0.35 Âµm df</image:title>
      <image:caption>GC column, Low polarâ€“mid-polar, OPTIMA DELTA-3, 30 m L, 0.32 mm ID, 0.35 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726442_30-gc-column-low-polar-mid-polar-optima-delta-3-30-m-l-0-32-mm-id-1-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_4fe10ad4-2861-4094-855e-b45f9c63bf4e.png?v=1740070125</image:loc>
      <image:title>GC column, Low polarâ€“mid-polar, OPTIMA DELTA-3, 30 m L, 0.32 mm ID, 1 Âµm df</image:title>
      <image:caption>GC column, Low polarâ€“mid-polar, OPTIMA DELTA-3, 30 m L, 0.32 mm ID, 1 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726480_30-gc-column-mid-polar-polar-optima-delta-6-30-m-l-0-32-mm-id-0-25-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_1a5ec542-3469-4cc6-b283-37900bbb660f.png?v=1740070125</image:loc>
      <image:title>GC column, Mid-polarâ€“polar, OPTIMA DELTA-6, 30 m L, 0.32 mm ID, 0.25 Âµm df</image:title>
      <image:caption>GC column, Mid-polarâ€“polar, OPTIMA DELTA-6, 30 m L, 0.32 mm ID, 0.25 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726481_30-gc-column-mid-polar-polar-optima-delta-6-30-m-l-0-32-mm-id-0-35-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_46153c61-996b-4ba5-bf9e-9a71ea1395db.png?v=1740070124</image:loc>
      <image:title>GC column, Mid-polarâ€“polar, OPTIMA DELTA-6, 30 m L, 0.32 mm ID, 0.35 Âµm df</image:title>
      <image:caption>GC column, Mid-polarâ€“polar, OPTIMA DELTA-6, 30 m L, 0.32 mm ID, 0.35 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726482_30-gc-column-mid-polar-polar-optima-delta-6-30-m-l-0-32-mm-id-1-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_cb991ea7-9631-4a0d-9d62-850b9b298331.png?v=1740070124</image:loc>
      <image:title>GC column, Mid-polarâ€“polar, OPTIMA DELTA-6, 30 m L, 0.32 mm ID, 1 Âµm df</image:title>
      <image:caption>GC column, Mid-polarâ€“polar, OPTIMA DELTA-6, 30 m L, 0.32 mm ID, 1 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/763154_20-ec-hplc-column-analytical-nucleoshell-rp-18-5-m-100x2-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_e7683486-06f5-4953-abe4-82dfc084eb1a.png?v=1740070123</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEOSHELL RP 18, 5 Âµm, 100x2 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEOSHELL RP 18, 5 &amp;micro;m, 100x2 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/763156_20-ec-hplc-column-analytical-nucleoshell-rp-18-5-m-150x2-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_5dbffd2d-b10f-4bac-b477-64b1d98d07e4.png?v=1740070123</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEOSHELL RP 18, 5 Âµm, 150x2 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEOSHELL RP 18, 5 &amp;micro;m, 150x2 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/763254_20-ec-hplc-column-analytical-nucleoshell-rp-18plus-5-m-100x2-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_aa28e4c1-b94b-4641-9f70-997333c8f612.png?v=1740070122</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEOSHELL RP 18plus, 5 Âµm, 100x2 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEOSHELL RP 18plus, 5 &amp;micro;m, 100x2 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/763256_20-ec-hplc-column-analytical-nucleoshell-rp-18plus-5-m-150x2-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_4cb16fdb-c2bc-4a3b-bb90-62bf09c8abab.png?v=1740070122</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEOSHELL RP 18plus, 5 Âµm, 150x2 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEOSHELL RP 18plus, 5 &amp;micro;m, 150x2 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/763134_20-ec-hplc-column-analytical-nucleoshell-rp-18-2-7-m-100x2-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_93b5b41a-d717-4847-adb9-62f845e79296.png?v=1740070121</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEOSHELL RP 18, 2.7 Âµm, 100x2 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEOSHELL RP 18, 2.7 &amp;micro;m, 100x2 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/763136_20-ec-hplc-column-analytical-nucleoshell-rp-18-2-7-m-150x2-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_be2d9c62-1957-4216-8e5a-36f5a9dc21ac.png?v=1740070121</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEOSHELL RP 18, 2.7 Âµm, 150x2 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEOSHELL RP 18, 2.7 &amp;micro;m, 150x2 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/763234_20-ec-hplc-column-analytical-nucleoshell-rp-18plus-2-7-m-100x2-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_f8f130af-33c4-4430-8283-61730f72d532.png?v=1740070120</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEOSHELL RP 18plus, 2.7 Âµm, 100x2 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEOSHELL RP 18plus, 2.7 &amp;micro;m, 100x2 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/763236_20-ec-hplc-column-analytical-nucleoshell-rp-18plus-2-7-m-150x2-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_2e77041d-b74e-4ab2-8418-17931381a414.png?v=1740070119</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEOSHELL RP 18plus, 2.7 Âµm, 150x2 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEOSHELL RP 18plus, 2.7 &amp;micro;m, 150x2 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/763334_20-ec-hplc-column-analytical-nucleoshell-hilic-2-7-m-100x2-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_f60bb88e-a15f-4b4b-811c-5d4451f43fe2.png?v=1740070119</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEOSHELL HILIC, 2.7 Âµm, 100x2 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEOSHELL HILIC, 2.7 &amp;micro;m, 100x2 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/763336_20-ec-hplc-column-analytical-nucleoshell-hilic-2-7-m-150x2-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_7628d4e4-c501-4cd3-a4cb-658a8b9e801c.png?v=1740070118</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEOSHELL HILIC, 2.7 Âµm, 150x2 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEOSHELL HILIC, 2.7 &amp;micro;m, 150x2 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/763434_20-ec-hplc-column-analytical-nucleoshell-bluebird-rp-18-2-7-m-100x2-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_d85c6c4b-c2d3-41cb-a5fd-5a0f1c8feab5.png?v=1740070118</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEOSHELL Bluebird RP 18, 2.7 Âµm, 100x2 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEOSHELL Bluebird RP 18, 2.7 &amp;micro;m, 100x2 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/763435_20-ec-hplc-column-analytical-nucleoshell-bluebird-rp-18-2-7-m-125x2-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_3d95aef8-046b-4db1-a3b3-2fb0b95ea332.png?v=1740070117</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEOSHELL Bluebird RP 18, 2.7 Âµm, 125x2 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEOSHELL Bluebird RP 18, 2.7 &amp;micro;m, 125x2 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/763436_20-ec-hplc-column-analytical-nucleoshell-bluebird-rp-18-2-7-m-150x2-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_ebf3ff8c-4815-4124-a0d8-76ddb7eeee24.png?v=1740070117</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEOSHELL Bluebird RP 18, 2.7 Âµm, 150x2 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEOSHELL Bluebird RP 18, 2.7 &amp;micro;m, 150x2 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/763534_20-ec-hplc-column-analytical-nucleoshell-pfp-2-7-m-100x2-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_c26033be-332a-4a00-ac38-37868cc35f49.png?v=1740070116</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEOSHELL PFP, 2.7 Âµm, 100x2 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEOSHELL PFP, 2.7 &amp;micro;m, 100x2 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/763536_20-ec-hplc-column-analytical-nucleoshell-pfp-2-7-m-150x2-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_65076b83-4e38-43ac-803d-2aaaf768af0d.png?v=1740070116</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEOSHELL PFP, 2.7 Âµm, 150x2 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEOSHELL PFP, 2.7 &amp;micro;m, 150x2 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/763734_20-ec-hplc-column-analytical-nucleoshell-phenyl-hexyl-2-7-m-100x2-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_3e43f452-47f1-484f-84ee-033e48cee849.png?v=1740070115</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEOSHELL Phenyl-Hexyl, 2.7 Âµm, 100x2 mm</image:title>
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      <image:title>EC HPLC column (analytical), NUCLEOSHELL Biphenyl, 2.7 Âµm, 100x2 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEOSHELL Biphenyl, 2.7 &amp;micro;m, 100x2 mm</image:caption>
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      <image:title>EC HPLC column (analytical), NUCLEODUR Phenyl-Hexyl, 3 µm, 150x2 mm</image:title>
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      <image:title>EC HPLC column (analytical), NUCLEODUR HILIC, 3 µm, 150x2 mm</image:title>
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      <image:title>EC UHPLC column (analytical), NUCLEODUR C18 Gravity, 1.8 µm, 100x2 mm</image:title>
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      <image:title>EC UHPLC column (analytical), NUCLEODUR C18 Gravity-SB, 1.8 µm, 150x2 mm</image:title>
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      <image:title>EC UHPLC column (analytical), NUCLEODUR C18 Isis, 1.8 µm, 150x2 mm</image:title>
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      <image:title>EC UHPLC column (analytical), NUCLEODUR C18 Pyramid, 1.8 µm, 100x2 mm</image:title>
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    <changefreq>daily</changefreq>
    <image:image>
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      <image:caption>EC UHPLC column (analytical), NUCLEODUR HILIC, 1.8 &amp;micro;m, 100x2 mm</image:caption>
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    <changefreq>daily</changefreq>
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    <changefreq>daily</changefreq>
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    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>EC HPLC column (analytical), NUCLEODUR π&amp;sup2;, 3 µm, 125x2 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR π&amp;sup2;, 3 &amp;micro;m, 125x2 mm</image:caption>
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    <changefreq>daily</changefreq>
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      <image:title>EC HPLC column (analytical), NUCLEODUR π&amp;sup2;, 3 µm, 150x2 mm</image:title>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_93f54486-569d-4cd2-8e68-5ae3e9b560f0.png?v=1740070080</image:loc>
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  <url>
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    <changefreq>daily</changefreq>
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      <image:title>EC HPLC column (analytical), NUCLEOSHELL RP 18, 5 µm, 100x4 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEOSHELL RP 18, 5 &amp;micro;m, 100x4 mm</image:caption>
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  <url>
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    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>EC HPLC column (analytical), NUCLEOSHELL RP 18, 5 µm, 150x3 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEOSHELL RP 18, 5 &amp;micro;m, 150x3 mm</image:caption>
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  </url>
  <url>
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    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>EC HPLC column (analytical), NUCLEOSHELL RP 18, 5 µm, 150x4 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEOSHELL RP 18, 5 &amp;micro;m, 150x4 mm</image:caption>
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  <url>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_76b97bb8-cb57-4cbf-aeff-86a67de09b97.png?v=1740070078</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEOSHELL RP 18plus, 5 µm, 100x3 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEOSHELL RP 18plus, 5 &amp;micro;m, 100x3 mm</image:caption>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_7421f2c1-8c94-4c4b-8571-1905979bdd4d.png?v=1740070078</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEOSHELL RP 18plus, 5 µm, 100x4 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEOSHELL RP 18plus, 5 &amp;micro;m, 100x4 mm</image:caption>
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  <url>
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    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_eb1272d5-18e3-4535-a8e2-bd75ac3bec8c.png?v=1740070078</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEOSHELL RP 18plus, 5 µm, 150x3 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEOSHELL RP 18plus, 5 &amp;micro;m, 150x3 mm</image:caption>
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  <url>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_4727b18b-945c-4fe0-8a79-5b2bef3dd634.png?v=1740070077</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEOSHELL RP 18plus, 5 µm, 150x4 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEOSHELL RP 18plus, 5 &amp;micro;m, 150x4 mm</image:caption>
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    <changefreq>daily</changefreq>
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      <image:title>EC HPLC column (analytical), NUCLEOSHELL RP 18, 2.7 µm, 100x3 mm</image:title>
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  <url>
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    <changefreq>daily</changefreq>
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      <image:title>EC HPLC column (analytical), NUCLEOSHELL RP 18, 2.7 µm, 100x4 mm</image:title>
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  <url>
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    <changefreq>daily</changefreq>
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      <image:title>EC HPLC column (analytical), NUCLEOSHELL RP 18, 2.7 µm, 150x3 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEOSHELL RP 18, 2.7 &amp;micro;m, 150x3 mm</image:caption>
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  <url>
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    <changefreq>daily</changefreq>
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      <image:title>EC HPLC column (analytical), NUCLEOSHELL RP 18, 2.7 µm, 150x4 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEOSHELL RP 18, 2.7 &amp;micro;m, 150x4 mm</image:caption>
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    <changefreq>daily</changefreq>
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      <image:title>EC HPLC column (analytical), NUCLEOSHELL RP 18plus, 2.7 µm, 100x3 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEOSHELL RP 18plus, 2.7 &amp;micro;m, 100x3 mm</image:caption>
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      <image:title>EC HPLC column (analytical), NUCLEOSHELL RP 18plus, 2.7 µm, 100x4 mm</image:title>
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      <image:title>EC HPLC column (analytical), NUCLEOSHELL RP 18plus, 2.7 µm, 150x3 mm</image:title>
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      <image:title>EC HPLC column (analytical), NUCLEOSHELL RP 18plus, 2.7 µm, 150x4 mm</image:title>
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      <image:title>EC HPLC column (analytical), NUCLEOSHELL HILIC, 2.7 µm, 100x3 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEOSHELL HILIC, 2.7 &amp;micro;m, 100x3 mm</image:caption>
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      <image:title>EC HPLC column (analytical), NUCLEOSHELL HILIC, 2.7 µm, 100x4 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEOSHELL HILIC, 2.7 &amp;micro;m, 100x4 mm</image:caption>
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      <image:title>EC HPLC column (analytical), NUCLEOSHELL HILIC, 2.7 µm, 150x3 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEOSHELL HILIC, 2.7 &amp;micro;m, 150x3 mm</image:caption>
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  <url>
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      <image:title>EC HPLC column (analytical), NUCLEOSHELL HILIC, 2.7 µm, 150x4 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEOSHELL HILIC, 2.7 &amp;micro;m, 150x4 mm</image:caption>
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  <url>
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      <image:title>EC HPLC column (analytical), NUCLEOSHELL Bluebird RP 18, 2.7 µm, 100x3 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEOSHELL Bluebird RP 18, 2.7 &amp;micro;m, 100x3 mm</image:caption>
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  <url>
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      <image:title>EC HPLC column (analytical), NUCLEOSHELL Bluebird RP 18, 2.7 µm, 100x4 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEOSHELL Bluebird RP 18, 2.7 &amp;micro;m, 100x4 mm</image:caption>
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  <url>
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      <image:title>EC HPLC column (analytical), NUCLEOSHELL Bluebird RP 18, 2.7 µm, 125x3 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEOSHELL Bluebird RP 18, 2.7 &amp;micro;m, 125x3 mm</image:caption>
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  <url>
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      <image:title>EC HPLC column (analytical), NUCLEOSHELL Bluebird RP 18, 2.7 µm, 125x4 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEOSHELL Bluebird RP 18, 2.7 &amp;micro;m, 125x4 mm</image:caption>
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  <url>
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      <image:title>EC HPLC column (analytical), NUCLEOSHELL Bluebird RP 18, 2.7 µm, 150x3 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEOSHELL Bluebird RP 18, 2.7 &amp;micro;m, 150x3 mm</image:caption>
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  <url>
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    <changefreq>daily</changefreq>
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      <image:title>EC HPLC column (analytical), NUCLEOSHELL Bluebird RP 18, 2.7 µm, 150x4 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEOSHELL Bluebird RP 18, 2.7 &amp;micro;m, 150x4 mm</image:caption>
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  <url>
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    <changefreq>daily</changefreq>
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      <image:title>EC HPLC column (analytical), NUCLEOSHELL PFP, 2.7 µm, 100x3 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEOSHELL PFP, 2.7 &amp;micro;m, 100x3 mm</image:caption>
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  </url>
  <url>
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      <image:title>EC HPLC column (analytical), NUCLEOSHELL PFP, 2.7 µm, 100x4 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEOSHELL PFP, 2.7 &amp;micro;m, 100x4 mm</image:caption>
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  </url>
  <url>
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    <changefreq>daily</changefreq>
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      <image:title>EC HPLC column (analytical), NUCLEOSHELL PFP, 2.7 µm, 150x3 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEOSHELL PFP, 2.7 &amp;micro;m, 150x3 mm</image:caption>
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  <url>
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    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>EC HPLC column (analytical), NUCLEOSHELL PFP, 2.7 µm, 150x4 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEOSHELL PFP, 2.7 &amp;micro;m, 150x4 mm</image:caption>
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  <url>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_8ac960e3-ceee-4c9f-9c64-5ca0912bfd55.png?v=1740070068</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEOSHELL Phenyl-Hexyl, 2.7 µm, 100x3 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEOSHELL Phenyl-Hexyl, 2.7 &amp;micro;m, 100x3 mm</image:caption>
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  <url>
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      <image:title>EC HPLC column (analytical), NUCLEOSHELL Phenyl-Hexyl, 2.7 µm, 100x4 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEOSHELL Phenyl-Hexyl, 2.7 &amp;micro;m, 100x4 mm</image:caption>
    </image:image>
  </url>
  <url>
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    <changefreq>daily</changefreq>
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      <image:title>EC HPLC column (analytical), NUCLEOSHELL Phenyl-Hexyl, 2.7 µm, 150x3 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEOSHELL Phenyl-Hexyl, 2.7 &amp;micro;m, 150x3 mm</image:caption>
    </image:image>
  </url>
  <url>
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    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_1c5b723b-5e11-4eaf-a81e-fc1f2d1ed8aa.png?v=1740070066</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEOSHELL Phenyl-Hexyl, 2.7 µm, 150x4 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEOSHELL Phenyl-Hexyl, 2.7 &amp;micro;m, 150x4 mm</image:caption>
    </image:image>
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  <url>
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    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_8e32dcbb-6bda-4bad-ba18-aa990be745a1.png?v=1740070066</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEOSHELL Biphenyl, 2.7 µm, 100x3 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEOSHELL Biphenyl, 2.7 &amp;micro;m, 100x3 mm</image:caption>
    </image:image>
  </url>
  <url>
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    <changefreq>daily</changefreq>
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      <image:title>EC HPLC column (analytical), NUCLEOSHELL Biphenyl, 2.7 µm, 100x4 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEOSHELL Biphenyl, 2.7 &amp;micro;m, 100x4 mm</image:caption>
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  </url>
  <url>
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    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>EC HPLC column (analytical), NUCLEOSHELL Biphenyl, 2.7 µm, 150x3 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEOSHELL Biphenyl, 2.7 &amp;micro;m, 150x3 mm</image:caption>
    </image:image>
  </url>
  <url>
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    <changefreq>daily</changefreq>
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      <image:title>EC HPLC column (analytical), NUCLEOSHELL Biphenyl, 2.7 µm, 150x4 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEOSHELL Biphenyl, 2.7 &amp;micro;m, 150x4 mm</image:caption>
    </image:image>
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  <url>
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    <changefreq>daily</changefreq>
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      <image:title>SPE columns, CHROMABOND SB, 45 µm, 3 mL/500 mg</image:title>
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    <changefreq>daily</changefreq>
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      <image:title>SPE columns, CHROMABOND SA, 45 µm, 3 mL/500 mg</image:title>
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    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>EC HPLC column (analytical), NUCLEODUR C18 Gravity, 3 µm, 125x3 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR C18 Gravity, 3 &amp;micro;m, 125x3 mm</image:caption>
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  <url>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_d7bbad53-501d-407b-a33f-f0bcabed4482.png?v=1740070063</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR C18 Gravity, 3 µm, 125x4 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR C18 Gravity, 3 &amp;micro;m, 125x4 mm</image:caption>
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  <url>
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    <changefreq>daily</changefreq>
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      <image:title>EC HPLC column (analytical), NUCLEODUR C18 Gravity, 3 µm, 150x3 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR C18 Gravity, 3 &amp;micro;m, 150x3 mm</image:caption>
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  <url>
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      <image:title>EC UHPLC column (analytical), NUCLEODUR C18 Gravity, 1.8 µm, 100x4 mm</image:title>
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      <image:title>EC UHPLC column (analytical), NUCLEODUR C18 HTec, 1.8 µm, 100x4 mm</image:title>
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      <image:title>EC UHPLC column (analytical), NUCLEODUR PolarTec, 1.8 µm, 100x3 mm</image:title>
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      <image:title>EC UHPLC column (analytical), NUCLEODUR PolarTec, 1.8 µm, 100x4 mm</image:title>
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    <changefreq>daily</changefreq>
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      <image:caption>EC UHPLC column (analytical), NUCLEODUR HILIC, 1.8 &amp;micro;m, 100x4 mm</image:caption>
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  <url>
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      <image:title>EC HPLC column (analytical), NUCLEODUR π&amp;sup2;, 3 µm, 100x4 mm</image:title>
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    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>EC HPLC column (analytical), NUCLEODUR π&amp;sup2;, 3 µm, 125x3 mm</image:title>
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  <url>
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    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>EC HPLC column (analytical), NUCLEODUR π&amp;sup2;, 3 µm, 125x4 mm</image:title>
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    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>EC HPLC column (analytical), NUCLEOSIL 100-5 C18 HD, 5 µm, 125x4.6 mm</image:title>
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  <url>
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    <changefreq>daily</changefreq>
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  <url>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEOSIL_chromatography_43c1d162-7008-4cd4-9e2d-8e1ab3548baf.png?v=1740070019</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEOSIL 100-5 Protect I, 5 µm, 150x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEOSIL 100-5 Protect I, 5 &amp;micro;m, 150x4.6 mm</image:caption>
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  <url>
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    <changefreq>daily</changefreq>
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      <image:title>EC HPLC column (analytical), NUCLEOSIL 100-5 Protect I, 5 µm, 125x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEOSIL 100-5 Protect I, 5 &amp;micro;m, 125x4.6 mm</image:caption>
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    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_preparative_VP_NUCLEODUR_NUCLEOSIL_chromatography_B.png?v=1740070018</image:loc>
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      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/TLC_glass_plates_chromatography_macherey_nagel_mn_572ecc29-f444-462b-a74b-0b4902013eac.jpg?v=1740070018</image:loc>
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      <image:title>EC HPLC column (analytical), NUCLEOSIL 100-5 C18 HD, 5 µm, 250x4 mm</image:title>
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    <changefreq>daily</changefreq>
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    <changefreq>daily</changefreq>
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      <image:title>EC HPLC column (analytical), NUCLEOSIL 100-5 Protect I, 5 µm, 250x4 mm</image:title>
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    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_27b857cb-f66b-4fc0-864d-2b51763b523f.png?v=1740070014</image:loc>
      <image:title>GC column, Nonpolar–low polar, OPTIMA 5 Amine, 30 m L, 0.53 mm ID, 1 µm df</image:title>
      <image:caption>GC column, Nonpolar–low polar, OPTIMA 5 Amine, 30 m L, 0.53 mm ID, 1 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/726643_30-gc-column-low-polar-mid-polar-optima-1301-ms-30-m-l-0-53-mm-id-1-m-df</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/GC_capillary_column_WCOT_medium_chromatography_3cdf645f-bc93-4d26-a717-25d13195e244.png?v=1740070013</image:loc>
      <image:title>GC column, Low polar–mid-polar, OPTIMA 1301 MS, 30 m L, 0.53 mm ID, 1 µm df</image:title>
      <image:caption>GC column, Low polar–mid-polar, OPTIMA 1301 MS, 30 m L, 0.53 mm ID, 1 &amp;micro;m df</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/723558_25-deactivated-capillary-columns-precolumns-methyl-sil-non-polar</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/Place_holder_86232747-43ba-49a6-a09b-a98e5d8f882a.jpg?v=1740070013</image:loc>
      <image:title>Deactivated capillary columns, precolumns, Methyl-Sil, non-polar</image:title>
      <image:caption>Deactivated capillary columns, precolumns, Methyl-Sil, non-polar</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/723560_25-deactivated-capillary-columns-precolumns-phe-sil-low-medium-polar</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/Place_holder_7b988382-ae0e-43c9-ad65-6c2982bad348.jpg?v=1740070012</image:loc>
      <image:title>Deactivated capillary columns, precolumns, Phe-Sil, low–medium polar</image:title>
      <image:caption>Deactivated capillary columns, precolumns, Phe-Sil, low–medium polar</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/723562_25-deactivated-capillary-columns-precolumns-cw-polar</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/Place_holder_11bd9227-b139-4f80-a8df-4bcc6d924409.jpg?v=1740070012</image:loc>
      <image:title>Deactivated capillary columns, precolumns, CW, polar</image:title>
      <image:caption>Deactivated capillary columns, precolumns, CW, polar</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/723708_25-retention-gaps-methyl-silylated-non-polar</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/Place_holder_d2114ef0-142a-4d48-9f96-956bbce8f34c.jpg?v=1740070011</image:loc>
      <image:title>Retention gaps, methyl silylated, non-polar</image:title>
      <image:caption>Retention gaps, methyl silylated, non-polar</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/723711_25-retention-gaps-phenylmethyl-silylated-low-medium-polar</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/Place_holder_6258677f-e20e-48a8-b432-c857bd83bfff.jpg?v=1740070011</image:loc>
      <image:title>Retention gaps, phenylmethyl silylated, low–medium polar</image:title>
      <image:caption>Retention gaps, phenylmethyl silylated, low–medium polar</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/723714_25-retention-gaps-cw-carbowax-polyethylene-glycol-polar</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/Place_holder_961e4e45-4ae4-4aa1-814e-930cf07a85a6.jpg?v=1740070011</image:loc>
      <image:title>Retention gaps, CW (carbowax, polyethylene glycol), polar</image:title>
      <image:caption>Retention gaps, CW (carbowax, polyethylene glycol), polar</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760081_46-ec-hplc-column-analytical-nucleodur-c18-gravity-3-m-125x4-6-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_e9ad196c-6a24-46b7-a884-5254f1726690.png?v=1740070010</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR C18 Gravity, 3 µm, 125x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR C18 Gravity, 3 &amp;micro;m, 125x4.6 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760083_46-ec-hplc-column-analytical-nucleodur-c18-gravity-3-m-150x4-6-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_ea345930-0973-49b0-a035-433edf9da874.png?v=1740070010</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR C18 Gravity, 3 µm, 150x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR C18 Gravity, 3 &amp;micro;m, 150x4.6 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760084_46-ec-hplc-column-analytical-nucleodur-c18-gravity-3-m-100x4-6-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_cb0682bd-5563-4893-b917-bc7eb768b01d.png?v=1740070009</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR C18 Gravity, 3 µm, 100x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR C18 Gravity, 3 &amp;micro;m, 100x4.6 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760606_46-ec-hplc-column-analytical-nucleodur-c18-gravity-sb-3-m-100x4-6-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_6f796ecc-0b05-4572-bcdd-b658ac197b06.png?v=1740070009</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR C18 Gravity-SB, 3 µm, 100x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR C18 Gravity-SB, 3 &amp;micro;m, 100x4.6 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760607_46-ec-hplc-column-analytical-nucleodur-c18-gravity-sb-3-m-125x4-6-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_94aeb4b3-3117-4031-aa9e-8a5481b13481.png?v=1740070009</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR C18 Gravity-SB, 3 µm, 125x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR C18 Gravity-SB, 3 &amp;micro;m, 125x4.6 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760608_46-ec-hplc-column-analytical-nucleodur-c18-gravity-sb-3-m-150x4-6-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_fd370d1b-1411-4a71-bb29-46474a2dbd53.png?v=1740070008</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR C18 Gravity-SB, 3 µm, 150x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR C18 Gravity-SB, 3 &amp;micro;m, 150x4.6 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760656_46-ec-hplc-column-analytical-nucleodur-c8-gravity-3-m-100x4-6-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_204868ee-4b66-4b87-aa3c-803ef6475b95.png?v=1740067366</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR C8 Gravity, 3 µm, 100x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR C8 Gravity, 3 &amp;micro;m, 100x4.6 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760657_46-ec-hplc-column-analytical-nucleodur-c8-gravity-3-m-125x4-6-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_31c9209e-aa56-470e-92e1-f975e840f498.png?v=1740067366</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR C8 Gravity, 3 µm, 125x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR C8 Gravity, 3 &amp;micro;m, 125x4.6 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760658_46-ec-hplc-column-analytical-nucleodur-c8-gravity-3-m-150x4-6-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_5d690331-ec4b-446f-8a0c-278ae16b335a.png?v=1740067365</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR C8 Gravity, 3 µm, 150x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR C8 Gravity, 3 &amp;micro;m, 150x4.6 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760401_46-ec-hplc-column-analytical-nucleodur-c18-isis-3-m-100x4-6-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_95049ed4-84c0-47a1-b682-6a19ee4d9b4a.png?v=1740067365</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR C18 Isis, 3 µm, 100x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR C18 Isis, 3 &amp;micro;m, 100x4.6 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760402_46-ec-hplc-column-analytical-nucleodur-c18-isis-3-m-125x4-6-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_c4916883-2a3b-4bbb-9041-20f3a95f33fb.png?v=1740067364</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR C18 Isis, 3 µm, 125x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR C18 Isis, 3 &amp;micro;m, 125x4.6 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760403_46-ec-hplc-column-analytical-nucleodur-c18-isis-3-m-150x4-6-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_5f904719-4d3b-4467-b585-d05b516f9bec.png?v=1740067364</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR C18 Isis, 3 µm, 150x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR C18 Isis, 3 &amp;micro;m, 150x4.6 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760260_46-ec-hplc-column-analytical-nucleodur-c18-pyramid-3-m-125x4-6-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_69f0302c-a5b0-4916-8ab7-066099e8dc89.png?v=1740067364</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR C18 Pyramid, 3 µm, 125x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR C18 Pyramid, 3 &amp;micro;m, 125x4.6 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760261_46-ec-hplc-column-analytical-nucleodur-c18-pyramid-3-m-150x4-6-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_333b275d-1911-48e3-886c-1bbf8311d2ee.png?v=1740067363</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR C18 Pyramid, 3 µm, 150x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR C18 Pyramid, 3 &amp;micro;m, 150x4.6 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760264_46-ec-hplc-column-analytical-nucleodur-c18-pyramid-3-m-100x4-6-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_33827cd8-be9c-4e8a-a7fc-7883d4a90379.png?v=1740067363</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR C18 Pyramid, 3 µm, 100x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR C18 Pyramid, 3 &amp;micro;m, 100x4.6 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760805_46-ec-hplc-column-analytical-nucleodur-sphinx-rp-3-m-150x4-6-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_8ba4d8a0-d352-4ab4-af6d-a71ea438adb7.png?v=1740067362</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR Sphinx RP, 3 µm, 150x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR Sphinx RP, 3 &amp;micro;m, 150x4.6 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760807_46-ec-hplc-column-analytical-nucleodur-sphinx-rp-3-m-125x4-6-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_4533b9d1-f35f-4503-ba4b-45953cdfb90c.png?v=1740067362</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR Sphinx RP, 3 µm, 125x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR Sphinx RP, 3 &amp;micro;m, 125x4.6 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760812_46-ec-hplc-column-analytical-nucleodur-sphinx-rp-3-m-100x4-6-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_a58a8a9a-5b8a-4b7a-a581-3ced525e0456.png?v=1740067361</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR Sphinx RP, 3 µm, 100x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR Sphinx RP, 3 &amp;micro;m, 100x4.6 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760323_46-ec-hplc-column-analytical-nucleodur-c18-htec-3-m-100x4-6-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_ea29d461-ea11-42ea-917d-9e855a722b7d.png?v=1740067361</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR C18 HTec, 3 µm, 100x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR C18 HTec, 3 &amp;micro;m, 100x4.6 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760324_46-ec-hplc-column-analytical-nucleodur-c18-htec-3-m-125x4-6-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_column_analytical_EC_NUCLEODUR_NUCLEOSHELL_chromatography_6f9ed9a3-8c27-4220-a6e5-e1db1c1d9008.png?v=1740067360</image:loc>
      <image:title>EC HPLC column (analytical), NUCLEODUR C18 HTec, 3 µm, 125x4.6 mm</image:title>
      <image:caption>EC HPLC column (analytical), NUCLEODUR C18 HTec, 3 &amp;micro;m, 125x4.6 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://esslabshop.com/products/760325_46-ec-hplc-column-analytical-nucleodur-c18-htec-3-m-150x4-6-mm</loc>
    <lastmod>2026-07-21T20:28:25+01:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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