Propachlor, 100 µg/ml, Acetonitrile, 1ml

Sulfur Calibr. Mix. Dibenzothiophene in White oil (20 cSt)Unit: 10mL screw-capped bottle Matrix White oil White Oil Concentration Isooctane Toluene 3 cSt

Bifenazate-diazene, 100 µg/ml, Ethyl acetate, 1m

Chrysoidine G, 250mg