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    Volume 25, Issue 4 (October 1980)

    Thin-Layer Chromatography of Metallic Cations

    (Received 30 November 1979; accepted 6 March 1980)

    Published Online: October


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    Two silica gel thin-layer chromatographic systems are described that are capable of distinguishing 18 common metallic cations by mobility and color development with one of three visualization reagents. Two groups of cations arise from this ion mobility: a “fast” group containing molybdenum, iron, antimony, tin, mercury, arsenic, cadmium, zinc, cobalt, copper, manganese, and bismuth, and a “slow” group containing chromium, aluminum, magnesium, nickel, calcium, and lead. The analytical method can be applied to comparing and identifying inorganic cations in small samples of evidential materials.

    Author Information:

    Linde, HG
    Chemist-criminalist, Vermont State Police Laboratory, Montpelier, Vt.

    Stock #: JFS11304J

    ISSN: 0022-1198

    DOI: 10.1520/JFS11304J

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    Title Thin-Layer Chromatography of Metallic Cations
    Symposium , 0000-00-00
    Committee E30