Aqueous Solution Chemistry

  • Peter Warneck
Conference paper
Part of the NATO ASI Series book series (volume 21)


Chemical reactions in cloud and fog drops have been considered important to tropospheric chemistry since the earliest development of the subject in the nineteen fifties, when it was first recognized that clouds may play a critical role in the oxidation of sulphur dioxide and its removal from the atmosphere (Junge, 1963). In subsequent years, when the emphasis in atmospheric chemistry shifted toward gas phase reactions, clouds were frequently neglected. Clouds are not only difficult to treat in models, but a major obstacle to further development in the past was the lack of information on chemical reaction pathways in the aqueous phase of clouds. Penkett et al. (1979) started a revival of the field when he investigated the reactions of hydrogen peroxide and ozone with sulphur (IV) species such as HSO3¯ and SO3 2- in aqueous solution. Since then, much progress has been made by means of laboratory studies of reactions deemed applicable to the aqueous phase of clouds. The present brief review is primarily devoted to a description of the methods employed in such laboratory studies. While a number of examples are given for reactions of interest to atmospheric chemistry, it is not the intention of this article to treat cloud chemistry as a whole.


Rate Coefficient Flash Photolysis Pulse Radiolysis Hydrated Electron Reaction Rate Coefficient 
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Copyright information

© Springer-Verlag Berlin Heidelberg 1994

Authors and Affiliations

  • Peter Warneck
    • 1
  1. 1.Institute for Tropospheric ResearchLeipzigGermany

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