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

Substance: nitrous acid					Other Names: 

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

Study: photochemistry, UV absorption spectrum


Authors: T. Arakaki, T. Miyake, T. Hirakawa, H. Sakugawa

Title: pH Dependent Photoformation of Hydroxyl Radical and Absorbance of Aqueous-Phase N(III) (HNO2 and NO2-)

Journal/Source: Environ. Sci. Technol., 33 (15), 2561–2565, (1999); DOI: 10.1021/es980762i


Data: table, diagram

Energy/Wavelength range: 280 - 410 nm

Resolution: 

Temperature: 

Temperature dependence: 

Pressure/Concentration: 0.00125 - 0.01 M

Phase: aqueous solution

pH: 1.1


Comments: The molar absorptivity of aqueous HNO2 was determined at pH = 1.1 (H2SO4) and concentration of HNO2
ranged from 0.00125 - 0.01 M.

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