Difenacoum, 100 µg/ml, Acetonitrile, 1ml

Sodium perfluoro-1-[2,3,4-13C3]butanesulfonate, 50µg/ml in MeOH, 1,2ml

Benzo[a]pyrene, 10.0 µg/ml, Acetonitrile, 10ml

2,4,5-Trimethylnaphthalene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 17057-91-9