Development of Latent Fingerprints on Unfired Cartridges by Palladium Deposition: A Surface Study

    Volume 42, Issue 6 (November 1997)

    ISSN: 0022-1198

    CODEN: JFSOAD

    Page Count: 7


    Mandler, D
    The Hebrew University of Jerusalem, Jerusalem,

    Migron, Y
    The Hebrew University of Jerusalem, Jerusalem,

    (Received 17 June 1996; accepted 24 February 1997)

    Abstract

    Visualized fingerprints on unfired brass cartridge cases developed by a novel method of palladium deposition were examined by Auger electron spectroscopy (AES), scanning electron microscopy (SEM), and electron probe microscopy (EPMA). In spite of the strong contrast of colors between the ridges and the valleys of the developed images, which suggests a selective coating of palladium on the valleys, palladium was found to deposit onto both valleys and ridges. Lumps of organic material were scattered mostly along the ridges. The study suggests a model for the deposition of metals on brass cartridges on which sebaceous fingerprints were impressed.


    Paper ID: JFS14249J

    DOI: 10.1520/JFS14249J

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    Author
    Title Development of Latent Fingerprints on Unfired Cartridges by Palladium Deposition: A Surface Study
    Symposium , 0000-00-00
    Committee E30