Parathion-ethyl, 100 µg/ml, Acetonitrile, 5ml

Benz[a]anthracene-d12, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-10, Cas.no. 1718-53-2

Ketoprofen, 100mg

2-Butanone (Methyl ethyl ketone)-DNPH