Macherey-Nagel SPE Cartridge, ChromaBond columns PS-MIX, 3 mL, 500 mg, content of sorbent: 500 mg, material: PP, with PE-filterelements pack of 30

Mixture of high purity polystyrene-divinylbenzene copolymer (PS/DVB) with strong cation exchanger, H⁺ form and with strong anion exchanger, OH⁻ form. For desalting of water.