1-[4-(2-Methylpropyl)phenyl]ethanone, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 38861-78-8

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)

Clofentezine, 10.0 µg/ml, Acetonitrile, 10ml

Potassium butylxanthate (as butylxanthate acid)