3-n-Butylcarbazole, Please inquire, Solvent-, Unit , # of units-, Cas.no.

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)

Metosulam, 100 µg/ml, Acetonitrile, 5ml

2,2',3,3',4,5,6,6'-Octachloro-4'-methoxybiphenyl, 1.2ml x 50ug/ml, nonane