Carbophenothion Back Catalog number: 70578 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4143-1-10B Low level Nitrogen & Sulfur Calibration Set Units: 1x1mL ampoules or 10mL screwcapped bottle Nitrogen introduced using Aniline / Sulfur introduced using di-n-Butyl Sulfide Catalogue No. Concentration Matrix: Benzene mg/kg (ppm) S-4143-0 Price on request C10202000 4-Amino-2´,3-dimethylazobenzene, certified, 0.25g Price on request 90595 Aroclor 1248 Price on request