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- SPE columns, CHROMABOND HR-XC, 85 µm, 1 mL/30 mg
State-of-the-art spherical polymer for highest demands in solid phase extraction. PS/DVB copolymer with benzenesulfonic acid modification for mixed-mode SPE with strong cation exchange and reversed-phase properties (MCX). Exchange capacity 1.0 meq/g, pKa < 1 and RP capacity 300 mg/g (caffeine in water). High-purity material with ideal flow properties and highest reproducibility. Allows highest reproducibility with extremely low blind values due to an optimized production process. Outstanding recovery rates especially for the enrichment of basic (bases with pKa 2–10) analytes.
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   Particle type Fully porous particles (FPP) Particle shape Spherical Endcapped No Brand CHROMABOND Filter element material Polyethylene (PE) Recommended application(s) Amines Carbon content Not available or proprietary pH stability 1.0–14.0 Column volume 1 mL Column shape Open tubular syringe-shaped column with Luer tip outlet Hardware Polypropylene (PP) columns with polyethylene (PE) filter elements Column type SPE column Selling unit 30 columns Scope of delivery 30x (6x5 in aluminum bags each) SPE columns, certificate of analysis Particle size 85 µm Base material PS/DVB copolymer Method Solid phase extraction (SPE) Recommended application(s) Fungicides from food Recommended application(s) Basic analytes Recommended application(s) Bases with pKa 2–10 Mode Mixed mode (RP and Ion exchange (IEX)) Phase HR-XC Pore size 65–75 Å Specific surface according to BET 800 m²/g Surface chemistry Hydrophobic spherical polystyrene-divinylbenzene copolymer (PS/DVB) with benzenesulfonic acid modification, very strong Mixed mode cation exchanger (MCX) Filling quantity 30 mg Column volume/adsorbent weight 1 mL/30 mg Recommended application(s) Basic active ingredients from strongly matrix-contaminated samples 
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