Titlebook: Low-Temperature Chemistry of the Atmosphere; Geert K. Moortgat,Austin J. Barnes,John R. Sodeau Conference proceedings 1994 Springer-Verlag

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Clouds, Rain and Aerosols,to climate control, and to the chemistry and cycles of several atmospheric trace substances. The microphysics associated with clouds and precipitation has been extensively studied by meteorologists (Pruppacher and Klett, 1980), and most of the processes are reasonably well understood, although some

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Gas Phase Homogeneous Kinetics, beyond that for which there are data – it is frequently necessary to fit and extrapolate from the rate data at hand. Even for bimolecular reactions, conventional Arrhenius expressions are generally valid for only a few hundred degrees, and the degree of curvature must be assessed. In other reaction

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Atmospheric Photochemistry and Spectroscopy,l for atmospheric chemists. All the chemistry that takes place in the atmosphere is in some form influenced by solar radiation, which initiates production of many key reactive species and loss of many otherwise stable molecules. Spectroscopy is the investigation of how strongly and at which waveleng

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Aqueous Solution Chemistry,e 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 negl

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Phase Diagrams,ream we eat are concerned with the transfer of material from one mixture to another or from one state of the matter to another, through processes such as dissolution, melting, evaporation, crystallisation. For example, heterogeneous chemical reactions take place in our lungs where part of the oxygen

OATH

Heterogeneous Chemistry and Kinetics,e ozone hole during the Antarctic spring (Solomon .. 1986, Solomon 1988). Heterogeneous reactions on particle surfaces in the polar stratospheric clouds convert chlorine reservoir molecules into easily photolyzed active chlorine species which lead to ozone destruction. In addition, heterogeneous rea

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Laboratory Studies of Heterogeneous Reactions,one. Both heterogeneous chemistry on polar stratospheric clouds (PSCs) and on the stratospheric sulfate layer must be considered. A summary of the properties of the stratospheric particulate is given in Table 1. For more details, see . (1989). Type I and type II PSCs are solid particles composed of

DAFT

Chemistry in Sulfate Aerosols,the Antarctic ozone hole is attributed to the release of active, ozone destroying, chlorine from reservoirs through reactions on solid polar stratospheric cloud (PSC) particles [Solomon, 1990]. The reservoirs are chemicals that temporarily hold the active chlorine (or other active species) in forms

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Surface Spectroscopy, detailed elemental and molecular fragment identification. In this chapter, some commonly used surface analytical spectroscopies are reviewed and their possible application to the . laboratory study of atmospheric processes is discussed. The techniques which currently show the greatest promise for a

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