15N3-Atrazine, 100 µg/ml, Acetonitrile, 1ml

Pesticide-Mix 14, 10 ng/µl, 1ml

Perfluoro-n-[1,2,3,4,5-13C5]pentanoic acid, 50µg/ml in MeOH, 1,2ml

p-Quinquiphenyl, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 3073-05-0