Enhanced Discrimination of Glass Samples by Phosphorescence Analysis

    Volume 23, Issue 2 (April 1978)

    ISSN: 0022-1198

    CODEN: JFSOAD

    Published Online: 1 April 1978

    Page Count: 11


    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.

    (Received 27 June 1977; accepted 1 August 1977)

    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.


    Paper ID: JFS10757J

    DOI: 10.1520/JFS10757J

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