Volume 31, Issue 2 (April 1986)

    The Analysis of Polyvinylchloride Wire Insulation by Gel Permeation Chromatography

    (Received 2 April 1985; accepted 8 July 1985)

    CODEN: JFSOAD

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    Abstract

    Polyvinylchloride (PVC) insulated stereo speaker wire from a homicide case involving the strangulation of a child was received by the FBI Laboratory for analysis. A method utilizing gel permeation chromatography to analyze PVC wire insulation was developed which was capable of discriminating between different commercially available brands of wire insulation. Using this method, we were able not only to link the wire found at the crime scene with a source from a suspect's residence, but also to associate it with a particular commercial brand of wire. The analysis of this case sample and other brands of stereo speaker wire is described.


    Author Information:

    Baer, BR
    technical support specialist, Millipore Corp., Waters Chromatography Division, Milford, MA

    Bender, EC
    Special agent and chemist, Instrumental Analysis Unit FBI Laboratory, N.W. Washington, DC

    Rudolph, TL
    Special agent and chemist, Instrumental Analysis Unit FBI Laboratory, N.W. Washington, DC


    Stock #: JFS12277J

    ISSN: 0022-1198

    DOI: 10.1520/JFS12277J

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    Author
    Title The Analysis of Polyvinylchloride Wire Insulation by Gel Permeation Chromatography
    Symposium , 0000-00-00
    Committee E30