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Reaction of the OH(X/sup 2/II) radical produced by the pulse radiolysis of water vapor

Conference · · Int. J. Chem. Kinet.; (United States)
OSTI ID:7210215
;
Hydroxyl radicals were produced by pulse radiolysis of pure water vapor, water vapor containing OH scavengers, and mixtures of water vapor with argon and OH scavengers. The OH radical was detected in its ground state by its optical absorption at 3087 A. Its reaction with various compounds added to the water vapor was measured by following the change in absorption of the OH radical with time. Rate constants were determined for reactions of the OH radical with ammonia, nitrous oxide, nitric oxide, nitrogen oxide, sulfur dioxide, carbon monoxide, and various hydrocarbons at temperatures ranging from 298 to 440/sup 0/K and pressures of water vapor ranging from 10 to 760 torr. The rate constant for the second-order disappearance of the OH radical in pure water vapor was also determined.
Research Organization:
Argonne National Lab., IL
OSTI ID:
7210215
Conference Information:
Journal Name: Int. J. Chem. Kinet.; (United States) Journal Volume: 7:Suppl. 1
Country of Publication:
United States
Language:
English

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Related Subjects

37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
38 RADIATION CHEMISTRY, RADIOCHEMISTRY, AND NUCLEAR CHEMISTRY
400500 -- Photochemistry
400600 -- Radiation Chemistry
500100* -- Environment
Atmospheric-- Basic Studies-- (-1989)
54 ENVIRONMENTAL SCIENCES
AIR POLLUTION ABATEMENT
AMMONIA
CARBON COMPOUNDS
CARBON MONOXIDE
CARBON OXIDES
CHALCOGENIDES
CHEMICAL RADIATION EFFECTS
CHEMICAL REACTION KINETICS
CHEMICAL REACTIONS
CHEMISTRY
DECOMPOSITION
EARTH ATMOSPHERE
HYDRIDES
HYDROCARBONS
HYDROGEN COMPOUNDS
HYDROXYL RADICALS
ISOTOPE EFFECTS
KINETICS
NITRIC OXIDE
NITROGEN COMPOUNDS
NITROGEN DIOXIDE
NITROGEN HYDRIDES
NITROGEN OXIDES
ORGANIC COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
RADIATION CHEMISTRY
RADIATION EFFECTS
RADICALS
RADIOLYSIS
REACTION KINETICS
SULFUR COMPOUNDS
SULFUR DIOXIDE
SULFUR OXIDES
WATER