Silica (SiO2)

1,2,3,4,7-Pentachlordibenzo-p-dioxin, 50µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no.

Phenol Mix

Diazinon-d10 (diethyl-d10),100 µg/mL,acetonitrile,1mL,