Dichloroacetic acid, certified, 1g

2-Hydroxypyrene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 78751-58-3

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)

Dicofol, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 115-32-2