Flash photolysis/time-resolved UV absorption measurements of the rate constants for the title reactions are reported over the temperature range 2 lo-253 K. The photolysis of F2/CF,H/03/02/N, gas mixtures reveals that the formation of CF302 and CF,O radicals has no measurable effect on the ozone conc
Gas phase reactions of CF3O− and CF3O−H2O with nitric, formic, and acetic acid
✍ Scribed by C. Amelynck; N. Schoon; E. Arijs
- Publisher
- Elsevier Science
- Year
- 2000
- Tongue
- English
- Weight
- 221 KB
- Volume
- 203
- Category
- Article
- ISSN
- 1387-3806
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The reaction of CF3 radicals with Ha0 (D20) has been studied over the range of 533-723 K using the photolysis and the pyrolysis of CFJ as the free radical source. Arrhenius pa- rameters for the reactions where X = H or D, relative to CF:j radical recombination are given by log kHlkf'2 = (5.12 f 0.1
Rate constants for the reactions of N and 0 with CF and CF2 radicals have been measured in a gas-flow system with photoionization mass spectrometry detection. CF( % 211,,2,,,2) and CF,(% 'A, ) radicals were produced in a radiofrequency discbarge of CFBr3 and CF2Br?, respectively. Atomic reactants we