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A method for the determination of PCB congeners 77, 126 and 169 in biotic and abiotic matrices.

Research output: Contribution to journalJournal article

Published

  • S. J. Harrad
  • A. P. Sewart
  • R. Broumphrey
  • R. Duarte-Davidson
  • K. C. Jones
Journal publication date04/1992
JournalChemosphere
Journal number8
Volume24
Number of pages8
Pages1147-1154
Original languageEnglish

Abstract

An analytical protocol is described for the determination of the toxicologically important PCB congeners 77, 126 and 169 in a wide variety of matrices including human milk and adipose tissue, avian tissue, soil and sewage sludge. Utilising similar containment-enrichment, isotope-dilution principles to those employed in PCDD/F analysis, the method employs liquid chromatography on a Florisiltm microcolumn to separate PCDD/Fs and PCB congeners 77, 126 and 169 from the majority of o-substituted PCBs prior to GC-MS determination. The method is compatible with the analysis of such matrices for PCDDs and PCDFs.