Detector Performance Standard

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)

4-Chloro-2-methylaniline, 100 µg/ml, Acetonitrile

800 ppm TDS solution (box of 25x20mL sachet)