Paraquat dichloride, 100 µg/ml, Water, 1ml

1-Undecanol, 1ml

Melamine (13C3,99%; Amino-15N3,98%) 100 µg/mL in Water, 1,2ml

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)