Macherey-Nagel SPE Cartridge, CHROMABond EASY BIGpack 3 ml, 200 mg, PP, 5x50/PAK

Polar modified polystyrene-divinylbenzene copolymer with a weak anion exchanger in SPE columns. Due to bifunctional modification much more hydrophilic than conventional polystyrene-divinylbenzene polymers. The Easy effect - without preconditioning and easily wettable with water.