Amitraz, 1000µg/ml in Acetonitrile, 1ml

Phenkapton, 10 ng/µl, 1ml

Chloridazon-methyl-desphenyl D3, 10mg

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