Preferential Extraction of Hydrocarbons from Fire Debris Samples by Solid Phase Microextraction

    Volume 48, Issue 1 (January 2003)

    ISSN: 0022-1198

    CODEN: JFSOAD

    Published Online: 1 January 2003

    Page Count: 5


    Lloyd, JA
    Department of Chemistry, Wooster, OH

    Edmiston, PL
    Department of Chemistry, Wooster, OH

    (Received 26 September 2002; accepted 20 September 2002)

    Abstract

    Headspace analysis by extraction/GC-MS is a common method of detecting volatile hydrocarbon accelerants in fire debris samples. Solid-phase microextraction was tested to determine if there is selective extraction of chemically distinct compounds. It was found that both the polydimethylsiloxane (PDMS) and Carboxen/PDMS solid phase microextraction fibers show preferential extraction of aliphatic or aromatic compounds from the headspace depending on fiber type and temperature. The Carboxen/PDMS fiber type showed particular (although not exclusive) selectivity for extraction of aromatic hydrocarbons. Other experimental considerations of SPME are noted.


    Paper ID: JFS2002223

    DOI: 10.1520/JFS2002223

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    Author
    Title Preferential Extraction of Hydrocarbons from Fire Debris Samples by Solid Phase Microextraction
    Symposium , 0000-00-00
    Committee E30