WHO PCB Extraction Standard, 100pg/µl in nonane, 1,2ml

Acibenzolar acid, 100 µg/ml, Acetonitrile, 5ml

Di-tert-butyldisulfide, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 110-06-5

2,4,4'-Trichlorodiphenyl ether, 1.2ml x 50ug/ml, nonane