Method for the analysis of polybrominated diphenylethers in sediments and biota

J. de Boer, C. Allchin, R. Law, B. Zegers, J.P. Boon

    Research output: Contribution to journalArticleAcademicpeer-review

    147 Citations (Scopus)

    Abstract

    Three institutes worked together on the development and improvement of methods for the analysis of polybrominated diphenylethers (PBDEs) in sediments and biota. The methods developed consist of a Soxhlet, Ultra Turrax* (biota) or shake-flask extraction (sediment) using hexane (or pentane)/acetone solvent mixtures, clean-up by alumina column chromatography or by gel permeation chromatography, further clean-up by silica gel column chromatography and treatment with sulphuric acid. Several alternatives for extraction and clean-up yielded similar results. The final determination is performed by GC/NCI-MS in the selected ion mode with m/z values of both Br isotopes (79 and 81 occurring in a 1:1 ratio). For decaBDE the fragments m/z 486.7 and 488.7 were also scanned. The coefficients of variation obtained with this method are between 10 and 35␏or individual congeners, and comply at least with the international state-of-the-art for this type of analysis.
    Original languageEnglish
    Pages (from-to)591-599
    JournalTrAC : Trends in Analytical Chemistry
    Volume20
    Issue number10
    DOIs
    Publication statusPublished - 2001

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