Profenofos, 100 µg/ml, Acetonitrile, 5ml Back Catalog number: 678487 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 53152 CLP Calibration Std. IV Price on request 681241 Propyrisulfuron, 10mg Price on request 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