Spe Cartridge Scx-2 Nec Siliaprep 1g/6ml , Box Of 50

Details:

Siliaprep* spe cartridge c8/scx-2 nec 1 g^ siliaprep* spe cartridge, c8/scx-2 nec, particle size: 40-63 um / 230-400 mesh, pore size: 60 a, bed weight: 1 g, column volume: 6 ml, is a tri-mode extraction and fractionation of acidic, neutral and basic compounds from aqueous solutions