Heptenophos Back Catalog number: X9231 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679884 4,4'-Diamino-3,3'-dimethyldiphenylmethane, 100 µg/ Price on request 50786 Lanthanoids Mix Price on request S-4140-03-IO Nitrogen Calibration Set-Low Boiling Solvents Units: 1x1mL ampoules or 10mL screw-capped bottle Nitrogen introduced using Pyridine Catalogue No. Concentration Matrix: isooctane mg/kg (ppm) S-4140-0 Blank S-4140-03 0.3 Price on request
