2,2',5,6'-Tetrabromobiphenyl, 1.2ml x 50ug/ml, nonane

Carcinogenic Aryl Amine, 10µg/mL in Ethyl AC, 10ml

Nitrogen Calibration Set-Low Boiling Solvents Units: 1x1mL ampoules or 10mL screw-capped bottle Nitrogen introduced using Pyridine Catalogue No. Concentration Matrix: isooctane mg/kg (ppm) S-4140-0 Blank S-4140-03 0.3

Promethazine hydrochloride, 250mg