Difethialone, 10 µg/mL in Acetonitrile, 10mL

Dibromoacetonitrile, 250mg

Sodium Dimethyl 5-sulfoisophthalate, 1000mg

Sulfur Calibration Mixtures: Di-n-butyl sulfide in Light 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)