Phosmet-oxon, 100µg/ml in Acetonitrile, 1ml

1-Methyl-4-nitro-5-thioimidazole, 1g

Low level Nitrogen Calibration Units: 1x1mL ampoules or 10mL screwcapped bottle Nitrogen introduced using Aniline Catalogue No. Concentration Matrix: isooctane mg/kg (ppm) S-4142-0 Blank S-4142-05 0.5 S-4142-1

3,3´-Dimethoxybenzidine, certified, 0.1g