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

Substance: nitrous acid					Other Names: nitrosyl hydroxide

Formula: HNO2						CAS-No.: 7782-77-6	PubChem: CID 24529

Study: UV absorption spectrum


Authors: J. Stutz, E.S. Kim, U. Platt, P. Bruno, C. Perrino, A. Febo

Title: UV-visible Absorption Cross Sections of Nitrous Acid

Journal/Source: J. Geophys. Res.: Atmosphere, 105, D11, 14585-14592, (2000); DOI: 10.1029/2000JD900003


Data: table, diagram

Energy/Wavelength range: 280 - 410 nm

Resolution: ~ 0.1 nm

Temperature: 300 K

Temperature dependence: no

Pressure/Concentration: 

Phase: vapor

pH: 


Comments: The authors present measurements of the HONO UV-visible absorption cross sections with a spectral 
resolution better than 0.1 nm and a high signal-to-noise ratio. The maximum value of the absorption cross sections is 
sigma HONO (354 nm) = (5.19±0.26) × 10-19 cm2.

Author to whom correspondence should be addressed: (e-mail address):