Sulfanilamide, 100µg/ml in MeOH, 5ml

Fenthion-oxon, 100µg/ml in Cyclohexane, 5ml

2-Methyl-1-nitronaphthalene, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 881-03-8

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)