2,4-DB methyl ester

1,1-Dichloro-2,2-bis(4-chlorophenyl)ethene, 1.2mL x 100ug/mL, nonane

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

D-Melibiose, 250mg