Nitrate as (NO3-) Back Catalog number: 50401 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679657 4-n-Nonylphenol, 10.0 µg/ml, Acetonitrile, 10ml Price on request 91683 Ethanol (1% w/v), 10mg/mL in water, 1ml Price on request 1178.14-10MG 9,10-Anthraquinone, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 84-65-1 Price on request