Macherey-Nagel SPE Cartridge, ChromaBond Columns HR-XC (45 μm),3 ml,200 mg, 30/PAK

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