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- SPE (LLE/SLE) columns, CHROMABOND XTR, 6 mL/1000 mg
LLE/SLE phase CHROMABOND XTR made of kieselguhr (also known as diatomaceous earth, hydromatrix, celite) for simultaneous preparation of several samples. No problems with phase separation and no formation of emulsions. Organic solutions need not to be dried after the separation. CHROMABOND XTR provides high recovery rates.
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   Particle type Fully porous particles (FPP) Particle shape Irregular Brand CHROMABOND pH stability 1.0–13.0 Filter element material Polyethylene (PE) Pore size Not available or proprietary Specific surface according to BET Not available or proprietary Particle size Not available or proprietary Column shape Open tubular syringe-shaped column with Luer tip outlet Column volume 6 mL Filling quantity 1000 mg Column volume/adsorbent weight 6 mL/1000 mg Method Liquid-liquid extraction (LLE), supported/solid liquid extraction(SLE) Hardware Polypropylene (PP) columns with polyethylene (PE) filter elements Recommended application(s) Liquid-liquid extraction (LLE) Recommended application(s) Supported/solid liquid extraction(SLE) Recommended application(s) Highly viscous aqueous solutions Recommended application(s) Physiological fluids (blood, plasma, and serum) Recommended application(s) Clinical chemistry Recommended application(s) Dyes in textiles Recommended application(s) Environmental and food analysis without use of a separation funnel Recommended application(s) Removing small amounts of water from solvents which are not miscible with water Column type SPE column Mode LLE/SLE Phase XTR Base material Coarse-grained kieselguhr (also known as diatomaceous earth, hydromatrix, celite) Selling unit 30 columns Capacity of aq. solution 1 mL Elution volume 8 mL Waiting period before elution 5–10 min 
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