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Unformatted text preview: singly as well as in various combinations. In the case of propanal, colored organic films form on the surfaces of the solutions on a timescale of days to weeks depending on acidity. If colored solutions, films, and precipitates exist in aerosols in the lower stratosphere (or upper troposphere) in significant quantities they would alter the climate effects of the aerosols. They could even impact satellite retrievals of atmospheric species that employ UV-vis wavelengths. The chemical mechanism(s) for these results must be understood in order to evaluate whether or not they will be important in stratospheric aerosols, so future work on chemical characterization of these solutions will also be discussed. Tuesday, September 8, 2009, 4:30 PM Duncan Hall 135 For more information: email or phone Prof. Annalise Van Wyngarden at 408-924-5282 firstname.lastname@example.org...
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