Difethialone, 10 µg/mL in Acetonitrile, 10mL Back Catalog number: L12625000AL Availability: In the manufacturer's stock Price on request - + Recommended 11742.12-100-IO 2,2',3,4,5',6-Hexachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request MHCH-MXA Mass-Labelled HCH Solution/Mixture, 2µg/ml in Nonane, 1,2ml Price on request S-4143-KIT-6X10ML 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