Tris(2,4-di-tert-butylphenyl) phosphite, 250mg

Dicyclohexyl phthalate, 250mg

Methidathion, 100 µg/ml, Acetonitrile, 5ml

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)