Chloroethane

Perfluoro-n-butanoic acid, 50µg/ml in MeOH, 1,2ml

ß alpha alpha (20R)-Cholestane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 481-20-9

PAH Mix (16+Benzo(e)pyrene&Perylene), 100µg/ml in AL,1ml