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A laser flash photolysis kinetics study of the reaction OH + H2O2 yields HO2 + H2OAbsolute rate constants for the reaction are reported as a function of temperature over the range 273-410 K. OH radicals are produced by 266 nm laser photolysis of H2O2 and detected by resonance fluorescence. H2O2 concentrations are determined in situ in the slow flow system by UV photometry. The results confirm the findings of two recent discharge flow-resonance fluorescence studies that the title reaction is considerably faster, particularly at temperatures below 300 K, than all earlier studies had indicated. A table giving kinetic data from the reaction is included.
Document ID
19820027468
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Wine, P. H.
(Georgia Inst. of Tech. Atlanta, GA, United States)
Semmes, D. H.
(Georgia Inst. of Tech. Atlanta, GA, United States)
Ravishankara, A. R.
(Georgia Institute of Technology Atlanta, GA, United States)
Date Acquired
August 10, 2013
Publication Date
November 1, 1981
Publication Information
Publication: Journal of Chemical Physics
Volume: 75
Subject Category
Inorganic And Physical Chemistry
Accession Number
82A11003
Funding Number(s)
CONTRACT_GRANT: JPL-954814
Distribution Limits
Public
Copyright
Other

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