Reports

Evidence for Photochemical Formation of H2O2 and Oxidation of SO2 in Authentic Fog Water

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Science  02 Apr 1993:
Vol. 260, Issue 5104, pp. 71-73
DOI: 10.1126/science.260.5104.71

Abstract

When samples of rain and fog water were exposed to ultraviolet and visible light, reactive transients such as hydrogen peroxide were formed and dissolved organic matter and sulfur dioxide were depleted. These results, in conjunction with those from previous studies, imply that dissolved organic compounds and transition metals such as iron ions are involved in the photochemical formation of hydrogen peroxide and other photooxidants in atmospheric waters.

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