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

n-Dotriacontane, ?13C: -28.34, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-5, Cas.no. 544-85-4

Chlorthal-dimethyl, 100 µg/ml, Ethyl acetate, 5m

2,4-Dinitrodiphenylamine