Macherey-Nagel SPE Cartridge, CHROMABond column PS-H+ 3 ml, 200 mg, PP, 30/PAK

High purity polystyrene-divinylbenzene copolymer (PS/DVB) with strong cation exchanger, H⁺ form. Capacity 2.9 meq/g for removal or concentration of cations from water. Decreasing the pH value of basic samples.