An examination of pathways for the reaction of oxygen atoms with CF3O radicals. Implications for the role of CF3 radicals in stratospheric chemical processes
β Scribed by Zhuangjie Li; Joseph S. Francisco
- Publisher
- Elsevier Science
- Year
- 1993
- Tongue
- English
- Weight
- 757 KB
- Volume
- 209
- Category
- Article
- ISSN
- 0009-2614
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π SIMILAR VOLUMES
Using a pulse radiolysis UV absorption technique and subsequent simulations of experimental NO1 and FNO absorption transients, rate constants for reaction between CF90 and CFsO2 radicals with NO were determined, CFp02+NO+CF,O+N02 (3 ), CF,OtNO~CF,OtFNO(5).k~wasderivedtobe(1.68~0.26)X10~~'cm3molecuIe
Rate constant ratios of the reactions of CFsO radicals with a number of hydrocarbons have been determiued at 298 + 2 K and atmospheric pressure using a relative rate method. Using a previously determined value k(CF,O+ CsHs) = I .2 x lo-i2 cm3 molecule-' s-i these rate constant mtios,provide estimate
The rate constants for the reactions CF302 + NO ~ CF30+NO 2 (1) and CF30+NO~ products (2) have been measured at room temperature using a fast flow reactor associated with a monitoring of CF30 radicals by laser induced fluorescence (LIF); for the measurement of k~, CF30 radicals are prepared by the d
Using the pulse radiolysis WV absorption technique and subsequent simulations of experimental absorption transients at and 276 nm, upper limits of the rate constants for the reactions of CF302 and CF,O radicals with ozone were determined at K, CF302 t OI-+CF,Ot 202 (4), CF,O t 03+CF302+02 (5). The u
The kinetics of the self-reactions of HO 2 , CF 3 CFHO 2 , and CF 3 O 2 radicals and the cross reactions of HO 2 with FO 2 , HO 2 with CF 3 CFHO 2 , and HO 2 with CF 3 O 2 radicals, were studied by pulse radiolysis combined with time resolved UV absorption spectroscopy at 295 K. The rate constants f