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

Glycerol

n-Perfluorododecanoic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 307-55-1

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