Tropospheric heterogeneous chemistry of haloacetyl and carbonyl halides

Details Tropospheric heterogeneous chemistry of haloacetyl and carbonyl halides Tropospheric heterogeneous chemistry of haloacetyl and carbonyl halides

Oct 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992georl..19.1939d&link_type=abstract

Geophysical Research Letters (ISSN 0094-8276), vol. 19, no. 19, p. 1939-1942.

Physics

5

Acetyl Compounds, Atmospheric Chemistry, Carbonyl Compounds, Halides, Troposphere, Drop Size, Gas-Liquid Interactions, Heterogeneity, Ph, Vapor Phases

Scientific paper

A series of uptake studies for the gas phase carbonyl halides CCl2O and CF2O and the haloacetyl halides CCl3CClO, CF3CFO, and CF3CClO are reported. The measured uptake coefficients for these molecules are less than the experimental detection limit of 5 x 10 exp -4 for pH 7 droplets at 300 K. Using the experimental data the uptake coefficients are estimated to be between 10 exp -6 and 10 exp -4. The lower limit is sufficiently large so that the tropospheric removal rate of the species is not expected to affect the ozone depletion potential values of the HCFC parent species for CF2O, CF3CFO, and CF3CClO.

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