Published November 1986
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Journal Article
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A kinetics study of the homogeneous and heterogeneous components of the HCl + ClONO_2 reaction
Chicago
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Abstract
The kinetics of the reaction HCl + ClONO_2 → Cl_2 + HNO_3 were investigated at 298 K using a flow reactor with FTIR analysis to assess the importance of this reaction for stratospheric chemistry. The observed reaction was characteristic of a heterogeneous process; an upper limit of 5 × 10^(−18) cm³ molecule^(−1) s^(−1) was obtained for the homogeneous gas phase rate constant. From calculations of the first order wall rate constant, estimates were made of the reaction rate on stratospheric aerosols. Because both HCl and ClONO_2 need to be adsorbed on the particle surface, the reaction will be of negligible importance under most stratospheric conditions.
Additional Information
© 1986 American Geophysical Union. (Received August 15, 1986; accepted August 21, 1986) Paper number 6L6331. The authors wish to thank Drs. J. J. Hargitan, R. A. Stachnik and M. J. Molina for many helpful discussions. The research described in this paper was carried out by the Jet Propulsion Laboratory, California Institute of Technology, under contract with the National Aeronautics and Space Administration. This article also appears in: Antarctic OzoneAttached Files
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Additional details
- Alternative title
- A kinetics study of the homogeneous and heterogeneous components of the HCl + ClONO2 reaction
- Eprint ID
- 91289
- Resolver ID
- CaltechAUTHORS:20181128-113131044
- NASA/JPL/Caltech
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2018-11-29Created from EPrint's datestamp field
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2021-11-16Created from EPrint's last_modified field