Temperature dependence of the C1ONO2 UV absorption spectrum
- 1 April 1994
- journal article
- Published by American Geophysical Union (AGU) in Geophysical Research Letters
- Vol. 21 (7) , 585-588
- https://doi.org/10.1029/93gl03303
Abstract
The temperature dependence of the ClONO2 absorption spectrum has been measured between 220 and 298 K and between 195 and 430 nm using a diode array spectrometer. The absorption cross sections were determined using both: (1) absolute pressure measurements at 296 K and (2) measurements at various temperatures relative to 296 K using a dual absorption cell arrangement. The temperature dependence of the ClONO2 absorption spectrum shows very broad structure. The amplitude of the temperature dependence relative to that at 296 K is weak at short wavelengths, 2 absorption cross section data are in good general agreement with the previous measurements of Molina and Molina [1979].Keywords
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