Spe Cartridge Thiourea Siliaprep 100mg , Box Of 100

Details:

Siliaprep* spe cartridge thiourea 100 mg^ siliaprep* spe cartridge thiourea, particle size: 40-63 um, pore size: 60 a, bed weight: 100 mg, column volume: 1 ml, metal scavenger, lower the residual metal concentration of various metal complexes (pd, pt, rh, ru, ni, sn, etc) to single digit ppm