1-(2,4,5-Trihydroxyphenyl)butan-1-one, 50mg

Chlormequat chloride 1,1,2,2-D4, 100 ng/µl, 10ml

Diphenyl isophthalate

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)