2,4-D, 100µg/ml in Methanol, 1ml

U{13C17}-Aflatoxin B1, 0.5µg/mL, Solvent-acetonitrile, Unit 1.2mL, # of units-1, Cas.no.

Perfluorooctane sulfonic acid

Metolachlor ESA sodium salt, 100 µg/ml, Acetonitr