Nitrate (NO3-) as N Back Catalog number: 59364 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3142.17-K-IO Heptadecanoic acid (Margaric), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 506-12-7 Price on request 95087 ASTM Benzene Kit Price on request 92072 Pyrene, 100µg/ml in Acetonitrile, 1ml Price on request