Methidathion, 10 µg/ml, Ethyl acetate, 10ml

Sodium 1H,1H,2H,2H-[1,2-13C2]perfluorooctylphosphate, 1.2ml x 50ug/ml, methanol

Fluorene, 100µg/ml in Acetonitrile, 1ml

n-Docosane, ?13C: -30.35, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-5, Cas.no. 629-97-0