2,4'-DDE, 100 µg/ml, Methanol, 1ml

Extended Calibration/Low Level Solution; Alternate Volume, 200ul, nonane

Suberic acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 505-48-6

Benzidine, 100 µg/ml, Acetonitrile, 1ml