Formothion, 100µg/ml in Acetonitrile

2-(1-Hydroxypropyl)promazine,1000 µg/mL,MeOH,1mL,

cis-1,2,3,6-Tetrahydrophthalimide, 100 µg/ml, Ace

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)