Spe Cartridge Am Wax Nec Siliaprep 500mg , Box Of 20

Details:

Siliaprep* spe cartridge amine (wax) 500 mg^ siliaprep* spe cartridge, amine (wax), particle size: 40-63 um / 230-400 mesh, pore size: 60 a, bed weight: 500 mg, column volume: 12 ml, is a weak anion exchanger sorbent used in replacement of sax for strong anions to avoid irreversible retention