Volume 31, Issue 4 (October 1986)

    Sheet or Container?—Forensic Glass Comparisons with an Emphasis on Source Classification

    (Received 5 December 1985; accepted 3 February 1986)

    Published Online: October

    CODEN: JFSOAD

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    Abstract

    The value of source-type classification for small fragments of glass encountered in trace evidence casework is restressed. The incorporation of classification techniques into the classical refractive index/density comparison scheme is described. The techniques employed are applications of those developed by the British forensic science community over the past 5 years, targeted at differentiating the 2 most common end-use types of soda-lime-silicate glasses encountered in casework—sheet glass and container glass. The results of method verification studies on 30 window glass specimens for tempered/nontempered classification and on 140 window and container glass specimens for sheet/container classification are reported. Although some limitations were revealed with the domestic samples used, the overall success of the approach was established.


    Author Information:

    Ryland, SG
    Microanalyst, Florida Department of Law Enforcement, Orlando Regional Crime Laboratory, Orlando, FL


    Stock #: JFS11909J

    ISSN: 0022-1198

    DOI: 10.1520/JFS11909J

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    Author
    Title Sheet or Container?—Forensic Glass Comparisons with an Emphasis on Source Classification
    Symposium , 0000-00-00
    Committee E30