Removing the interference of DDT and its analogs in the analysis for residues of polychlorinated biphenyls.

  • W J Trotter
  • Published 1975 in
    Journal - Association of Official Analytical…


A micro scale procedure is described for quantitatively separating polychlorinated biphenyls (PCBs) from DDT and its analogs. DDT and TDE are initially dehydrochlorinated with ethanolic KOH to their respective olefins, DDE and TDE-olefin (1-chloro-2,2-bis (p-chlorophenyl) ethylene). The olefins are than oxidized by CrO3 in acetic acid to the more polar… (More)


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