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    • Chlorobiphenyls in marine sediments: Guidelines for determination. 

      Smedes, F.; de Boer, J. (International Council for the Exploration of the Sea (ICES), Copenhagen, Denmark, 1998)
      The analysis of chlorinated biphenyls in sediments generally includes extraction with organic solvents, clean-up, removal of sulphur, colullUl fractionation and gas chromatographic separation, mostly with electron capture ...