Volume 43, Issue 1 (January 1998)

    Application of Solid-Phase Microextraction to the Recovery of Organic Explosives

    (Received 29 January 1997; accepted 21 May 1997)

    Published Online: January

    CODEN: JFSOAD

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    Abstract

    The application of solid-phase microextraction to the recovery of residues of organic explosives by headspace sampling is discussed. It was found that the technique was rapid and simple. Polydimethylsiloxane and polyacrylate resin were examined as adsorption phases and the latter was found to be more effective. It was found that non-volatile explosives (PETN, RDX, and TNT) should be extracted at about 100°. Acceptable limits of detection were achieved using bench top quadrupole mass spectrometry and short extraction times (about 30 min). Increasing the extraction times to many hours resulted in significantly enhanced detection. Desorption of PETN from the solid phase was found to induce some decomposition of the explosive, but the technique was still valuable for the analysis of this compound.


    Author Information:

    Klass, G
    Senior lecturer, University of South Australia,

    Paul Kirkbride, K
    Assistant chief scientist and senior forensic scientist respectively, Forensic Sciences Center, Adelaide,

    Pigou, PE
    Assistant chief scientist and senior forensic scientist respectively, Forensic Sciences Center, Adelaide,


    Stock #: JFS16093J

    ISSN: 0022-1198

    DOI: 10.1520/JFS16093J

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    Author
    Title Application of Solid-Phase Microextraction to the Recovery of Organic Explosives
    Symposium , 0000-00-00
    Committee E30