Carbonyl Compounds as DNPH, in Acetonitrile, 1ml

2-n-Octylthiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 880-36-4

EPA Method 515.2 Underivatized

2,2',3,3',4,5,5',6-Octachloro-4'-methoxybiphenyl, 1.2ml x 50ug/ml, nonane