2,2-Bis(4-chlorophenyl)ethanol

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

d2 C26 Triaromatic Sterane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.

Fenitrothion D6 (O,O-dimethyl D6), 100µg/ml in Cyclohexane, 1ml