Volume 33, Issue 1 (January 1988)

    Determination of Barium in Gunshot Residue Collection Swabs Using Inductively Coupled Plasma-Atomic Emission Spectrometry

    (Received 28 March 1987; accepted 20 May 1987)

    CODEN: JFSOAD

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    Abstract

    Inductively coupled plasma-atomic emission spectrometry (ICP-AES) was compared with atomic absorption spectrophotometry (AAS) for barium determination in gunshot residue (GSR) collection swabs. Lack of interferences by common swab extract constituents, a wide linear dynamic range, and good precision and accuracy of ICP-AES make it superior to AAS for barium determination in GSR swab extracts.


    Author Information:

    Peters, CA
    Special agent and chemist, Gunshot Residue and Metals Analysis Unit, FBI Laboratory, Washington, DC

    Havekost, DG
    Special agent and chemist, Gunshot Residue and Metals Analysis Unit, FBI Laboratory, Washington, DC

    Koons, RD
    Research chemist, Forensic Science Research Unit, FBI Laboratory, FBI Academy, Quantico, VA


    Stock #: JFS12434J

    ISSN: 0022-1198

    DOI: 10.1520/JFS12434J

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    Author
    Title Determination of Barium in Gunshot Residue Collection Swabs Using Inductively Coupled Plasma-Atomic Emission Spectrometry
    Symposium , 0000-00-00
    Committee E30