Physics
Scientific paper
Nov 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986georl..13.1351f&link_type=abstract
Geophysical Research Letters (Supplement) (ISSN 0094-8276), vol. 13, Nov. 1986, p. 1351-1354. NASA-supported research.
Physics
7
Atmospheric Chemistry, Hydrochloric Acid, Inorganic Nitrates, Nitric Acid, Reaction Kinetics, Stratosphere, Adsorption, Aerosols, Fourier Transformation, Infrared Spectroscopy
Scientific paper
The kinetics of the reaction HCl + ClONO2 to Cl2 + HNO3 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 x 10 to the -18th cu cm/molecule per s 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 ClONO2 need to be adsorbed on the particle surface, the reaction will be of negligible importance under most stratospheric conditions.
Friedl Randall R.
Goble James H.
Sander Stanley P.
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