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    δ13C and δD of volatile organic compounds in an alumina industry stack emission

    Access Status
    Fulltext not available
    Authors
    Vitzthun von Eckstaedt, C.
    Grice, Kliti
    Ioppolo-Armanios, M.
    Jones, M.
    Date
    2011
    Type
    Journal Article
    
    Metadata
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    Citation
    Vitzthun von Eckstaedt, Christiane and Grice, Kliti and Ioppolo-Armanios, Marisa and Jones, Mark. 2011. δ13C and δD of volatile organic compounds in an alumina industry stack emission. Atmospheric Environment. 45 (31): pp. 5477-5483.
    Source Title
    Atmospheric Environment
    DOI
    10.1016/j.atmosenv.2011.06.064
    ISSN
    13522310
    School
    Department of Applied Chemistry
    URI
    http://hdl.handle.net/20.500.11937/34621
    Collection
    • Curtin Research Publications
    Abstract

    Compound specific isotope analysis (CSIA) is becoming more widely accepted as a tool for determining the sources of contaminants and monitoring their transport and fate in the environment. However, measuring δD of volatile organic compounds (VOCs) in atmospheric samples is still underexplored. The present study applies thermal desorptione-gas chromatography-isotope ratio mass spectrometry (TD-GC-irMS) for the first time to measure stable hydrogen isotope analyses of VOCs in an alumina refinery emission. δ13C data is also collected. A sampling train was designed using TenaxTA as the adsorbent material to gain reliable and reproducible results for CSIA. δ13C values for VOCs (C6-C14) ranged from -22 to -31˚/oo, which is similar to δ13C value range reported for naturally occurring components. The δD values (21 to -137˚/oo) in this study were consistently more enriched in D compared to δD values of VOCs previously reported making the δ values of VOCs in the industrial stack unique. Therefore δD analysis may provide a means for tracking VOCs in atmospheric samples.

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