Sodium p-n-decylbenzenesulfonate, 100mg

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

(-)-Epicatechin, 25mg

1,2,3-Trichlorodibenzo-p-dioxin, 50µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no.