1-Methyl-4-nitro-5-thioimidazole, 1g Back Catalog number: M324685 Manufacturer: TORONTO RESEARCH CHEMICALS Availability: 2 weeks Price on request - + Recommended 11665.12-10-IO 2,3'-Dichlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request S-4142-5-IO Low level Nitrogen Calibration Units: 1x1mL ampoules or 10mL screwcapped bottle Nitrogen introduced using Aniline Catalogue No. Concentration Matrix: isooctane mg/kg (ppm) S-4142-0 Blank S-4142-05 0.5 S-4142-1 Price on request 676492 D8-4,4'-DDE, 10mg Price on request