Chlorthal-dimethyl, 10 µg/ml, Cyclohexane, 10ml

Mass-Labelled PCDD/PCDF Internal Standard Solution, 1.2ml, nonane

N-Methylbis(trifluoroacetamide), neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 685-27-8

C25 Tricyclic terpane Y, neat, Solvent-neat, Unit ca. 5µg, # of units-1, Cas.no.