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    Determination of trace concentrations of bromophenols in water using purge-and-trap after in situ acetylation

    Access Status
    Fulltext not available
    Authors
    Blythe, Justin
    Heitz, Anna
    Joll, Cynthia
    Kagi, Robert
    Date
    2006
    Type
    Journal Article
    
    Metadata
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    Citation
    Blythe, Justin and Heitz, Anna and Joll, Cynthia and Kagi, Robert. 2006. Determination of trace concentrations of bromophenols in water using purge-and-trap after in situ acetylation. Journal of Chromatography A. 1102:(1-2) pp. 73-83.
    Source Title
    Journal of Chromatography A
    DOI
    10.1016/j.chroma.2005.10.042
    ISSN
    00219673
    Faculty
    Department of Applied Chemistry
    School of Science
    Faculty of Science and Engineering
    Remarks

    The link to the journal’s home page is: http://www.elsevier.com/wps/find/journaldescription.cws_home/502688/description#description

    Copyright © 2006 Elsevier Ltd. All rights reserved

    URI
    http://hdl.handle.net/20.500.11937/15490
    Collection
    • Curtin Research Publications
    Abstract

    An analytical method that enables detection and quantification of bromophenols (BPs) at taste threshold concentrations (2,6-DBP: 0.5 ng/L) was developed. This method involves conversion of the BPs to their acetates, followed by isolation of the acetates by a modified purge-and-trap procedure, and analysis by gas chromatography-mass spectrometry (GC-MS) in selected ion monitoring (SIM) mode. Bromophenyl acetates were synthesizcd so that each of the two steps in the method could be developed and optimised in isolation to the other. Deuterated BPs (phenol-d(5), 2-BP-d(4), 4-BP-d(2), 2,6-DBP-d(3),2,4-DBP-d(3) and 2,4,6-TBP-d(2)) were synthesized to enable quantification of analytes using the deuterated analogues of analytes as internal standards. This method allowed quantification of BPs at concentrations ranging from the detection limits (3 ng/L for phenol and 0.1-0.5 ng/L for each of the BPs) to 1000 ng/L for each analyte, with repeatabilities of <= 14% (RSD) for concentrations of 1 ng/L and <= 9% (RSD) for concentrations of 10-1000 ng/L, with recoveries ranging from 91 to 97%.

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