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    Volume 37, Issue 4 (July 1992)

    The Use of HPLC with Multiwavelength Detection for the Differentiation of Non Ball Pen Inks

    (Received 27 July 1991; accepted 18 November 1991)

    CODEN: JFSOAD

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    Abstract

    High performance liquid chromatographic (HPLC) systems were developed for the examination of blue non ball pen inks. Using an isocratic chromatographic system, together with a Spectra Physics multiwavelength detection system, over 100 blue non ball pen inks were distinguished. The majority of these had not previously been separated by traditional methods. This approach offers a number of advantages over thin layer chromatography. Sensitivity is greatly improved, allowing the detection of picograms of sample, and the increased resolution results in far more information being produced, allowing a more meaningful comparison of samples.


    Author Information:

    Chen, C
    Assistant professor and graduate assistant, University of Illinois at Chicago, Chicago, IL

    Tebbett, IR
    Assistant professor and graduate assistant, University of Illinois at Chicago, Chicago, IL

    Olson, L
    Forensic scientists, IRS Forensic Laboratory, Chicago, IL

    Fitzgerald, M
    Forensic scientists, IRS Forensic Laboratory, Chicago, IL


    Stock #: JFS13300J

    ISSN: 0022-1198

    DOI: 10.1520/JFS13300J

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    Author
    Title The Use of HPLC with Multiwavelength Detection for the Differentiation of Non Ball Pen Inks
    Symposium , 0000-00-00
    Committee E30