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Microwave assisted extraction and sonication of polychlorobiphenils from river sediments and risk assesment by toxic equivalency factors

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Summary

Microwave extraction and ultrasonication of dioxin-like polychlorobiphenyls (PCBs) from sediment samples were investigated. After separation of dioxin-like PCBs from a sample matrix on an acidic-alkaline silica gel column, dioxin-like PCBs were determined by GC-ECD, using dual capillary columns. Recoveries of dioxin-like PCBs in river sediment samples exceeded 80% by both extraction techniques. Toxic equivalency factors and their use for the PCB congeners investigated were applied.

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Authors and Affiliations

  1. Environmental Protection Institute, Provomajska 1, 2000, Maribor, Slovenia

    Z. Cencič Kodba

  2. Faculty of Chemistry and Chemical Technology, University of Ljubljana, Aškerčeva 5, 1000, Ljubljana, Slovenia

    J. Marsel

Authors
  1. Z. Cencič Kodba
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  2. J. Marsel
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Cencič Kodba, Z., Marsel, J. Microwave assisted extraction and sonication of polychlorobiphenils from river sediments and risk assesment by toxic equivalency factors. Chromatographia 49, 21–27 (1999). https://doi.org/10.1007/BF02467182

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  • DOI: https://doi.org/10.1007/BF02467182

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