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    Volume 46, Issue 5 (September 2001)

    The Use of Capillary Electrophoresis in the Detection of Monomethylamine and Benzoate Ions in the Forensic Examination of Explosives Residues

    (Received 3 October 2000; accepted 14 December 2000)

    CODEN: JFSOAD

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    Abstract

    Capillary electrophoresis (CE) is used in the ATF Forensic Science Laboratories for the analysis of inorganic ions commonly encountered in post-blast residues including monomethylamine (MMA) and benzoate ions. Monomethylamine nitrate is found in Tovex®, a water gel explosive. Sodium benzoate is added to Pyrodex®, as a fuel and burn rate modifier. In the analysis of explosive residues, these ions are used as an indicator for the presence of Tovex® and Pyrodex®. Traditionally, these two ions, along with other ions of interest were analyzed by spot tests and ion chromatograph (IC). CE is currently being used in place of spot tests as a confirmation technique for IC.


    Author Information:

    Klapec, DJ
    Bureau of Alcohol, Tobacco and Firearms Forensic Science Laboratory, Rockville, MD

    Ng, DL
    Bureau of Alcohol, Tobacco and Firearms Forensic Science Laboratory, Rockville, MD


    Stock #: JFS15117J

    ISSN: 0022-1198

    DOI: 10.1520/JFS15117J

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    Author
    Title The Use of Capillary Electrophoresis in the Detection of Monomethylamine and Benzoate Ions in the Forensic Examination of Explosives Residues
    Symposium , 0000-00-00
    Committee E30