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

alpha alpha alpha (20S)-Cholestane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 41083-75-4

Desipramine hydrochloride,1000 µg base/mL,MeOH,1mL,

Arochlor 5460 , 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 11126-42-4