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Kinetics of sunlight photodegradation of 2,3,4,7,8-pentachlorodi-benzofuran in natural water

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Abstract

The aquatic photodegradation of the environmental contaminant 2,3,4,7,8-pentachlorodibenzofuran (P5CDF) was studied under midsummer sunlight conditions at 50‡N latitude both in distilled water-acetonitrile solutions and in lake water. The observed net photodegradation rate of P5CDF in natural water was 240-fold faster than the rate of direct photolysis in distilled water-acetonitrile solutions. The difference in rates of photodegradation is attributed to the action of sensitizers present in natural waters.

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Authors and Affiliations

  1. Department of Chemistry, University of Winnipeg, R3B 2E9, Winnipeg, Manitoba, Canada

    Ken J. Friesen & Myrosia M. Foga

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  1. Ken J. Friesen
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  2. Myrosia M. Foga
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Friesen, K.J., Foga, M.M. Kinetics of sunlight photodegradation of 2,3,4,7,8-pentachlorodi-benzofuran in natural water. J Chem Sci 105, 399–403 (1993). https://doi.org/10.1007/BF03040813

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