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- Title
Ultraviolet photoabsorption by halocarbons 11 and 12 from electron impact measurements.
- Authors
HUEBNER, RUSSELL H.; BUSHNELL, DAVID L.; CELOTTA, R. J.; MIELCZAREK, S. R.; KUYATT, C. E.
- Abstract
DEPLETION of the stratospheric ozone layer by chlorine atoms released through solar photolysis of the chlorofluoromethanes is a matter of widespread concern1. Predictions of the magnitude and time development of this effect depend on large scale models of atmospheric transport and photochemical kinetics which require reliable data on the primary reaction processes involved. One important input is the ultraviolet absorption spectrum of halocarbons 11 and 12, that is, CFCl3 and CF2Cl2, respectively. Published optical determinations2 of the absorption spectra for these molecules between 200 and 120 nm (that is, 6.2 and 10.33 eV) have been called into question, however, by the measurements of Rowland and Molina3.
- Publication
Nature, 1975, Vol 257, Issue 5525, p376
- ISSN
0028-0836
- Publication type
Article
- DOI
10.1038/257376a0