Alachlor ESA-d13 Sodium Salt, 0,5mg

Mass-Labelled PCB Congener Solution/Mixture, 5µg/ml in Nonane, 1,2ml

n-Hydrocarbon Standard (C5-C15), 2000µg/mL in MeOH, 1ml

Asulam, 100 µg/ml, Acetonitrile, 5ml