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  • P-ISSN1225-0163
  • E-ISSN2288-8985
  • SCOPUS, ESCI, KCI

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  • P-ISSN 1225-0163
  • E-ISSN 2288-8985

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    The classification of ballpoint pen inks in Questioned Documents by using VSC and SERRS

    분석과학 / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
    2004, v.17 no.4, pp.315-321
    김남이 (국립과학수사연구소)
    박성우 (국립과학수사연구소)
    Philip Doble (시드니산업대학교)
    Claude Roux (시드니산업대학교)
    김남이, 박성우, Philip, D. , & Claude, R. (2004). . 분석과학, 17(4), 315-321.
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    Abstract

    The aim of this study was to investigate the evidential value of blue and black ballpoint pens on paper by nondestructive techniques. In this work, 21 blue and 22 black ballpoint pens which were purchased on different brands were analyzed by Raman Spectroscopy and Video Spectral Comparator (VSC). Surface-Enhanced Resonance Raman Spectroscopy (SERRS) with excitation at 685 nm and VSC with several spot light filters were used for the discrimination of ballpoint pen inks. In the SERR spectra, the ballpoint pen inks on paper could be shown sharp spectral bands and distinguished by their band shapes and relative intensities. In the blue and black ballpoint pen inks, the discriminating powers (DP) by SERRS were 0.85 and 0.67 and the DP by VSC were 0.88 and 0.90, respectively. The DP by combined sequence of techniques was all 0.97 in both black and blue ballpoint pen inks.

    keywords
    Forensic science, Document examination, ballpoint pen inks, SERRS


    참고문헌

    1

    (1997) The Scientific Examination of Documents, Britain, Tayor & Francis

    2

    (1993) J. Forensic Sci. 38,

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