Sudan 1, certified, 0.25g Back Catalog number: C16986101 Availability: In the manufacturer's stock Price on request - + Recommended S-4142-10-10IO 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 682336 1,5-Pentanediol, 1000mg Price on request 673449 Terbuthylazine, 100 µg/ml, Acetonitrile, 5ml Price on request