Rate constants for the reaction H02 + NO,(+ M) = HO\*N02(+ M) have been obtained from direct observations of the HOz radical using the technique of molecular modulation ultraviolet spectrometry. HOz was generated by periodic photolysis of Clz in the presence of excess Hz and 0 2 , and k l was determ
Kinetics of the HO2 + NO2 Reaction: On the impact of new gas-phase kinetic data for the formation of HO2NO2 on HOx, NOx and HO2NO2 levels in the troposphere
โ Scribed by A. Bacak; M.C. Cooke; M.W. Bardwell; M.R. McGillen; A.T. Archibald; L.G. Huey; D. Tanner; S.R. Utembe; M.E. Jenkin; R.G. Derwent; D.E. Shallcross; C.J. Percival
- Book ID
- 113480797
- Publisher
- Elsevier Science
- Year
- 2011
- Tongue
- English
- Weight
- 864 KB
- Volume
- 45
- Category
- Article
- ISSN
- 1352-2310
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๐ SIMILAR VOLUMES
Electron pulse radiolysis a t -298'K of 2 atm Hz containing 5 torr 0 2 produces HOz free radical whose disappearance by reaction (I), HOz + HOz -HzOz + 0 2 , is monitored by kinetic spectrophotometry a t 230.5 nm. Using a literature value for the HOz absorption cross section, the values k = 2.5 X cm
Pcroxynitrlc ac~d has been idcntlficd by I~our~cr transform, infrared, long-path spectroscopy as a product of the UVirrndratcd ddutc mi\turcs of llON0, CO, NO, in synthctrc air at 24 L 2ยฐC'. The characteristic pcnks of this compound arc idcntrcnl to those obscrvcd by Nikl ct al., in Irr.ulratcd Clz,
## Abstract The Absolute rate constants for the gasโphase reactions of NO~3~ with HO~2~ and OH have been determined using the discharge flow laser magnetic resonance method (DFโLMR). Since OH was found to be produced in the reaction of HO~2~ with NO~3~, C~2~F~3~Cl was used to scavenge it. The overa