Tetraamylammonium Bromide, >98%, 5g

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)

Ethanol standard in serum,0.1g/L,serum, 1.5mL

Chlorpyrifos-methyl, 100 µg/ml, Ethyl acetate, 5