Description
Modern spherical polymer for the highest demands in solid phase extraction. PS/DVB copolymer with quaternary ammonium modification for mixed-mode SPE with strong anion exchange and RP properties (MAX). Exchange capacity 0.25 meq/g, pKa ~ 18 and RP capacity 350 mg/g (caffeine in water). High-purity material with ideal flow properties and enables maximum reproducibility with extremely low blank values thanks to an optimized production process. Excellent recovery rates, especially in the enrichment of acidic (acids with pKa 2-8) analytes.
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