2,3,5-Trimethylphenol, 100 µg/ml, Acetonitrile,

Paraquat

Instrument Standard 4

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)