tial . However, questions have been raised concerning the environmental impact of trifluoroacetic acid which is formed from HFC-134a in the atmosphere as a result of the following reaction sequence [7 -10]. (1) (2) (3) (4) Reaction (4) produces CF 3 C(O)F which is hydrolyzed to CF 3 COOH after u
Atmospheric Chemistry of HFC-236cb: Fate of the Alkoxy Radical CF 3 CF 2 CFHO
✍ Scribed by Møgelberg, Trine E.; Sehested, Jens; Tyndall, Geoffrey S.; Orlando, John J.; Fracheboud, Jean-Marc; Wallington, Timothy J.
- Book ID
- 126029060
- Publisher
- American Chemical Society
- Year
- 1997
- Tongue
- English
- Weight
- 133 KB
- Volume
- 101
- Category
- Article
- ISSN
- 1089-5639
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A pulse radiolysis system was used to study the kinetics of the reaction of CF&FH02 with NOz. By monitoring the rate of the decay of NO\* using its absorption at 400 nm the reaction rate constant was determined to be k= (5.OkO.S) x 10-r' cm3 molecule-' s-'. A long path length Fourier-transform infra
The kinetics of the reaction of CF,CFHO, radicals with NO was studied by flash photolysis-time-resolved mass spectrometry. From the kinetic growth rate of NO: molecular ions the rate coefficient of the reaction CF,CFHO, + NO -+ CF,CFHO + NO, was determined to be k = (1.31 &-0.30) X 10-l' cm3 molecul