Volume 23, Issue 2 (April 1978)

    Enhanced Discrimination of Glass Samples by Phosphorescence Analysis

    (Received 27 June 1977; accepted 1 August 1977)

    Published Online: April

    CODEN: JFSOAD

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    Abstract

    Of the various types of physical evidence available to crime scene investigators, glass fragments are among those frequently encountered [1,2]. Forensic science examinations usually involve comparing known window glass samples with glass fragments recovered from the suspect's clothing [3]. Most crime laboratories use refractive index or density measurements, or both, to compare glass samples. As a result of modern glass production techniques, however, glass formulations are more closely controlled from batch to batch. This results in greater uniformity and reduces the value of analytical techniques that rely on differences in refractive index and density [4]. It is generally agreed, therefore, that supplementary analyses are needed.


    Author Information:

    Calloway, AR
    Associate technical staff member and head, Chemistry and Physics Laboratory, The Aerospace Corporation, El Segundo, Calif.

    Jones, PF
    Associate technical staff member and head, Chemistry and Physics Laboratory, The Aerospace Corporation, El Segundo, Calif.


    Stock #: JFS10757J

    ISSN: 0022-1198

    DOI: 10.1520/JFS10757J

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    Author
    Title Enhanced Discrimination of Glass Samples by Phosphorescence Analysis
    Symposium , 0000-00-00
    Committee E30