DNPH - Mix 4, 10µg/ml in Acetonitrile, 5ml

N-Nitrosopyrrolidine, 2000µg/mL, Solvent-dichloromethane, Unit 1mL, # of units-1, Cas.no. 930-55-2

Trifluralin D14 (di-n-propyl D14), certified, 10mg

Trifluralin, 100 µg/ml, Ethyl acetate, 5ml