2,4,4'-Trichlorobiphenyl ether,50 µg/mL,n-nonane,1mL,

Sulfur Calibration Mixtures: Di-n-butyl sulfide in Heavy White Oil (less than 20mg/kg S) Unit : 10mL screw-capped bottle Light White Mineral Oil Heavy White Mineral Oil (20 cSt at 40°C) (70 cSt at 40°C)

Diphenylamine

Prothoate, 100 µg/ml, Ethyl acetate, 1ml