science-softCon uv/vis+ photochemistry database; www.photochemistry.org; (C) science-softCon 2019 Substance: nitric acid Other Names: hydrogen nitrate Formula: HNO3 CAS-No.: 7697-37-2 PubChem: CID 944 Study: uv absorption cross sections, photolysis, quantum yields Authors: H.S. Johnston, S.G. Chang, G. Whitten Title: Photolysis of nitric acid vapor Journal/Source: J. Phys. Chem., 78, 1-7, (1974); DOI: 10.1021/j100594a001 Data: diagram, table Energy/Wavelength range: 200 - 310 nm Resolution: Temperature: 298 K Temperature dependence: no Pressure/Concentration: Phase: vapor pH: Comments: The primary reaction in the photolysis of nitric acid vapor by uv radiation is HNO3 --> HO + NO2 and the primary quantum yield is 1. Author to whom correspondence should be addressed: (e-mail address):