3ß-Acetoxybetulinic acid, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 10376-50-8

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)

Sodium perfluorohexylperfluorooctylphosphinate, 1.2ml x 50ug/ml, methanol

Perylene, 1000µg/ml in methylene chloride, 1ml