2,3,7-Trichlorodibenzo-p-dioxin, 1.2ml x 50ug/ml, nonane Back Catalog number: DD-237-S Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended S-4142-2-10IO 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 11371.8-250MG Phenylmercury acetate,neat,neat,250mg, Price on request 674888 Sulfisomidine, 250mg Price on request