Whole Oil Quantitative Control Standards Set (S-4012+S-4013)

4,4'-Dimethylbiphenyl, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 613-33-2

4-Aminoazobenzene

1,2,4-Trichlorodibenzo-p-dioxin, 1.2ml x 50ug/ml, nonane