2-Carboxy-4-chlorophenoxyacetic acid, 10mg Back Catalog number: 680847 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 30109 EPA Method 552.2 - Surrogate Standard Price on request 684902 Valeramide, 250mg Price on request S-4142-2-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