Macherey-Nagel SPE Cartridge, ChromaBond columns Easy,6 mL,200 mg, PP BIG, 250/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.