Reports

Sulfur Dioxide Sensitized Photochemical Oxidation of Hydrocarbons

Science  20 May 1960:
Vol. 131, Issue 3412, pp. 1523-1524
DOI: 10.1126/science.131.3412.1523

Abstract

Near-ultraviolet sunlight is absorbed by sulfur dioxide to produce electronically excited molecules, which react with n-butane in the presence of wet or dry air to produce an aerosol and eventually a liquid precipitate. The product is a heavily oxidized, sulfur-containing, organic strong acid. The possible role of these reactions in photochemical air pollution is discussed.

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