Semi-Volatile Standard

Perfluoro-n-octadecanoic acid, 1.2ml x 50ug/ml, methanol

n-Hydrocarbons - C5 to C30,C32,C34,C36,C38,C40

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)