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

U{13C22}-Roquefortine C, 25µg/mL, Solvent-acetonitrile, Unit 1.2mL, # of units-1, Cas.no.

9-Nitrophenanthrene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 954-46-1

Ketoprofen, 100µg/ml in Acetonitrile, 5ml