Herbicide Free Acids Standard

Indeno[1,2,3-cd]pyrene-d12, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 203578-33-0

1,2,3,4,7,8-Hexachlorodibenzo-p-dioxin, 1.2ml x 50ug/ml, nonane

beta-Lactam Antibiotics