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

Substance: hydroxyl radical				Other Names: 

Formula: OH						CAS-No.: 3352-57-6

Study: absorption spectra


Authors: G. Czapski, B.H.J. Bielski

Title: Absorption spectra of the OH and O - radicals in aqueous solutions

Journal/Source: Radiation Physics and Chemistry, 41 (3), 503-505, (1993); doi:10.1016/0969-806X(93)90012-J


Data: 

Energy/Wavelength range: ~ 220 - 350 nm

Resolution: 

Temperature: 

Temperature dependence: 

Pressure/Concentration: 

Phase.

pH:


Comments: The OH radical has an absorption maximum at 230 nm with epsilon = (665 ± 25) dm3  mol-1 cm-1 while the 
spectrum of the O radical shows a continuous increase in absorbance with decreasing wavelength between 350 and 220 nm; 
no maximum was observed in this range.

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