Tin (Sn)

d-1,2,3,4,5,6-Hexachlorocyclohexane, 1.2mL x 100ug/mL, nonane

4-Hydroxybenzoic acid, 1000mg

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)