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Extraction of polychlorinated biphenyl with supercritical carbon dioxide, sulfur hexafluoride and subcritical water

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Abstract

In the extraction of spiked PCB from soil, three extracting fluids were investigated: supercritical carbon dioxide (CO2), supercritical sulfur hexafluoride (SF6) and subcritical water. Among the tested fluids SF6 appeared to be appropriate especially for the extraction of low polar PCB. CO2 and water were found to be suitable for the quantitative extraction of all PCB. Water was judged as the best because of its low price, good availability and environmental safety.

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Authors and Affiliations

  1. Bayer AG, Landwirtschaftszentrum, Alfred-Nobel-Str. 50, 40789 Monheim, Germany, , , , , , DE

    Simone Pross & Wolfgang Gau

  2. Universität Siegen, Adolf-Reichwein-Strasse 2, 57068 Siegen, Germany e-mail: wenclawiak@chemie.uni-siegen.de, , , , , , DE

    B. W. Wenclawiak

Authors
  1. Simone Pross
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  2. Wolfgang Gau
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  3. B. W. Wenclawiak
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Additional information

Received: 18 January 1999 / Revised: 1 October 1999 / Accepted: 5 October 1999

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Pross, S., Gau, W. & Wenclawiak, B. Extraction of polychlorinated biphenyl with supercritical carbon dioxide, sulfur hexafluoride and subcritical water. Fresenius J Anal Chem 367, 89–90 (2000). https://doi.org/10.1007/s002160051605

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  • DOI: https://doi.org/10.1007/s002160051605

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