Formothion, 100µg/ml in Acetonitrile

Mass-Labelled PCDD/PCDF/PCB Solution/Mixture, 1.2ml, nonane

1,2,3,4,5-Pentachloro[13C6]benzene, 1.2ml x 100ug/ml, isooctane

ILM 05.3 ICP-AES CRI Mix, Varied µg/mL in 5%-HNO3 / Water, 4x25ml