Efficiency of formation of CH3O in the reaction of CH3O2 with ClO

Details Efficiency of formation of CH3O in the reaction of CH3O2 with ClO Efficiency of formation of CH3O in the reaction of CH3O2 with ClO

May 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995georl..22.1221b&link_type=abstract

Geophysical Research Letters (ISSN 0094-8276), vol. 22, no. 10, p. 1221-1224

Physics

4

Abundance, Atmospheric Chemistry, Chemical Reactions, Chlorine Oxides, Methyl Compounds, Ozone Depletion, Branching (Physics), Experiment Design, Laser Induced Fluorescence, Mass Spectroscopy

Scientific paper

A discharge-flow apparatus was used to determine the branching ratio alpha for the channel of the reaction of ClO with CH3O2 that leads to the formation of CH3O. The experiments were performed at 2 Torr pressure and at room temperature. ClO was the excess reactant and was measured mass spectrometrically; CH3O was detected by laser-induced fluorescence. The value of alpha was shown to depend on the fraction beta of the reaction of CH3O2 with Cl atoms that leads to the formation of CH3O. For beta = 0, 0.5 and 1, the derived values of alpha are 0.28 +/- 0.07, 0.32 +/- 0.08 and 0.42 +/- 0.09, respectively. Comparison with other published results suggests the possibility of three significant product channels for the reaction of CH3O2 with ClO.

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