Rate constant and branching ratio for the reaction of OH with ClO

Journal Article · Thu Jan 02 04:00:00 EST 1986 · J. Phys. Chem.; (United States)

DOI:https://doi.org/10.1021/j100273a036· OSTI ID:5825943

Poulet, G; Laverdet, G; Le Bras, G

The rate constant and branching ratio for the reaction OH + ClO ..-->.. products (HO/sub 2/ + Cl (1a) and HCl + O/sub 2/ (1b)) have been measured in a discharge flow system at 298 K. OH was monitored via the laser-induced fluorescence technique. ClO and HCl were analyzed by means of a modulated molecular beam mass spectrometer. The results are k/sub 1/ = (1.94 +/- 0.38) x 10/sup -11/ cm/sup 3/ molecule/sup -1/ s/sup -1/ and k/sub 1a//k/sub 1/ = 0.98 +/- 0.12. This implies that channel 1b cannot be a significant process for converting ClO into inactive HCl in stratospheric ozone-chlorine chemistry. 17 references, 6 figures, 4 tables.

• Research Organization: Centre de Recherches sur la Chimie de la Combustion et des Hautes Temperatures, Orleans, France
• OSTI ID: 5825943
• Journal Information: J. Phys. Chem.; (United States), Journal Name: J. Phys. Chem.; (United States) Vol. 90:1; ISSN JPCHA
• Country of Publication: United States
• Language: English

Related Subjects

37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400500* -- Photochemistry
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54 ENVIRONMENTAL SCIENCES
CHEMICAL LASERS
CHEMICAL REACTION KINETICS
CHEMICAL REACTIONS
CHLORINE COMPOUNDS
DATA
DYE LASERS
EMISSION SPECTROSCOPY
EXPERIMENTAL DATA
FLUORESCENCE
FLUORESCENCE SPECTROSCOPY
HALOGEN COMPOUNDS
HYDROCHLORIC ACID
HYDROGEN COMPOUNDS
HYDROXYL RADICALS
INFORMATION
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KINETICS
LASERS
LIQUID LASERS
LUMINESCENCE
MASS SPECTRA
MASS SPECTROSCOPY
MEDIUM TEMPERATURE
NUMERICAL DATA
OPTICAL PUMPING
OXYGEN COMPOUNDS
PUMPING
RADICALS
REACTION KINETICS
SPECTRA
SPECTROSCOPY
VISIBLE SPECTRA