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    Online Resource
    Online Resource
    Wiley ; 2014
    In:  Journal of Forensic Sciences Vol. 59, No. 2 ( 2014-03), p. 543-549
    In: Journal of Forensic Sciences, Wiley, Vol. 59, No. 2 ( 2014-03), p. 543-549
    Abstract: In many criminal and civil cases in China, the most commonly questioned documents are those written with gel pen ink. An important task for forensic document examiners is to identify whether two or more ink entries in one or more documents were written with the same ink type. The identification of the age of gel ink entries made poses an important and difficult problem for forensic document examiners. In this paper, the volatile components of gel ink were determined and the gel ink was classified by gas chromatography with a flame ionization detector. Calibration curves were created to express the relationship between the content of volatile gel ink components and the age of gel ink entries stored under natural and UV‐induced aging conditions. The correspondence between the natural and UV‐induced aging conditions was also established. The experimental results showed that GC was useful in the analysis of black gel ink and applicable for determining the relative age of gel ink entries under certain conditions.
    Type of Medium: Online Resource
    ISSN: 0022-1198 , 1556-4029
    URL: Issue
    RVK:
    Language: English
    Publisher: Wiley
    Publication Date: 2014
    detail.hit.zdb_id: 2026357-0
    SSG: 2,1
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