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Heterogeneous reaction probabilities, solubilities, and the physical state of cold volcanic aerosolsOn 19 January 1992, heterogeneous loss of HNO3, ClNO3, and HCl was observed in part of the Mount Pinatubo volcanic cloud that had cooled as a result of forced ascent. Portions of the volcanic cloud froze near 191 kelvin. The reaction probability of ClNO3 and the solubility of HNO3 were close to laboratory measurements on liquid sulfuric acid. The magnitude of the observed loss of HCl suggests that it underwent a heterogeneous reaction. Such reactions could lead to substantial loss of HCl on background sulfuric acid particles and so be important for polar ozone loss.
Document ID
19940033438
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Toon, O.
(NASA Ames Research Center Moffett Field, CA, United States)
Browell, E.
(NASA Langley Research Center Hampton, VA, United States)
Gary, B.
(JPL Pasadena, CA, United States)
Lait, L.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Livingston, J.
(SRI International Menlo Park, CA, United States)
Newman, P.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Pueschel, R.
(NASA Ames Research Center Moffett Field, CA, United States)
Russell, P.
(NASA Ames Research Center Moffett Field, CA, United States)
Schoeberl, M.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Toon, G.
(JPL Pasadena, CA, United States)
Date Acquired
August 16, 2013
Publication Date
August 27, 1993
Publication Information
Publication: Science
Volume: 261
Issue: 5125
ISSN: 0036-8075
Subject Category
Geophysics
Accession Number
94A10093
Distribution Limits
Public
Copyright
Other

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