2,6-Di-tert-butyl-P-benzoquinone, 250mg

Hexaconazole, 100 µg/ml, Ethyl acetate, 5ml

Trimethoprim, certified, 0.25g

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)