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Investigations on the supercritical fluid extraction of spiked organic pollutants from wet soils

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Abstract

The possibility of a fractionation (sequential extraction) of certain groups of compounds has been investigated during supercritical fluid extraction (SFE) from wet and dry wetland-soils. The classes of compounds considered are chlorinated hydrocarbons on the one hand and nitrogen- or phosphorus-containing pesticides (N/P-pesticides) on the other hand. The results show the great influence of water on the efficiency of the extraction and the limited possibility of attaining a fractionation during the extraction.

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Authors and Affiliations

  1. Institut für Physikalische und Chemische Analytik, GKSS Forschungszentrum Geesthacht GmbH, Max-Planck-Strasse, D-21502, Geesthacht, Germany

    Barbara Witter & Hans-Diethard Knauth

  2. Institut für Organische Chemie, Universität Hamburg, D-20146, Hamburg, Germany

    Wittko Francke

Authors
  1. Barbara Witter
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  2. Wittko Francke
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  3. Hans-Diethard Knauth
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Witter, B., Francke, W. & Knauth, HD. Investigations on the supercritical fluid extraction of spiked organic pollutants from wet soils. Fresenius J Anal Chem 353, 107–109 (1995). https://doi.org/10.1007/BF00322900

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  • DOI: https://doi.org/10.1007/BF00322900

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