science-softCon uv/vis+ photochemistry database;	www.photochemistry.org; (C) science-softCon 2019

Substance: nitrous acid					Other Names: HNO2

Formula: HONO						CAS-No.: 7782-77-6

Study: UV absorption cross sections, photolysis, quantum yields

                
Authors: H.S. Johnston, R. Graham

Title: Photochemistry of NOx and HNOx compounds

Journal/Source: Can. J. Chem., 52, 1415-1423, (1975)


Data: table, diagram

Energy/Wavelength range: 300 - 400 nm

Resolution: 

Temperature: 298 K

Temperature dependence: no

Pressure/Concentration: 

Phase: vapor

pH:


Comments: Cross sections for absorption of radiation between 190 and 700 nm are given for N2O, NO2, NO3, N2O4, N2O5, HNO2, and HNO3. The quantum 
yields and the primary products of photolysis of each of these substances are discussed.

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