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Reaction of chlorine nitrate with hydrogen chloride and water at Antarctic stratospheric temperaturesLaboratory studies of heterogeneous reactions important for ozone depletion over Antarctica are reported. The reaction of chlorine nitrate (ClONO2) with H2O and HCl on surfacers that simulate polar stratospheric clouds are studied at temperatures relevant to the Antarctic stratosphere. The gaseous products of the resulting reactions, HOCl, Cl2O, and Cl2, could readily photolyze in the Antarctic spring to produce active chlorine for ozone depletion. Furthermore, the additional formation of condensed-phase HNO3 could serve as a sink for odd nitrogen species that would otherwise scavenge the active chlorine.
Document ID
19880033434
Document Type
Reprint (Version printed in journal)
Authors
Tolbert, Margaret A.
(SRI International Corp. Menlo Park, CA, United States)
Rossi, Michel J.
(SRI International Corp. Menlo Park, CA, United States)
Malhotra, Ripudaman
(SRI International Corp. Menlo Park, CA, United States)
Golden, David M.
(SRI International Menlo Park, CA, United States)
Date Acquired
August 13, 2013
Publication Date
November 27, 1987
Publication Information
Publication: Science
Volume: 238
ISSN: 0036-8075
Subject Category
Environment Pollution
Funding Number(s)
CONTRACT_GRANT: NSF ATM-86-00764
CONTRACT_GRANT: NASW-3888
Distribution Limits
Public
Copyright
Other
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