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Trace element ink spiking for signature authentication

Χατζησταύρος Βασίλειος, Kallithrakas-Kontos Nikolaos

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URIhttp://purl.tuc.gr/dl/dias/E8799F66-96DB-40A4-9767-D8A0772268F9-
Identifierhttps://doi.org/10.1007/s10967-007-6989-2-
Identifierhttps://link.springer.com/article/10.1007/s10967-007-6989-2-
Languageen-
Extent6 pagesen
Title Trace element ink spiking for signature authenticationen
CreatorΧατζησταύρος Βασίλειοςel
CreatorHatzistavros Vasiliosen
CreatorKallithrakas-Kontos Nikolaosen
CreatorΚαλλιθρακας-Κοντος Νικολαοςel
PublisherAkad�miai Kiad�en
PublisherSpringer Verlagen
DescriptionΔημοσίευση σε επιστημονικό περιοδικόel
Content SummarySignature authentication is a critical question in forensic document examination. Last years the evolution of personal computers made signature copying a quite easy task, so the development of new ways for signature authentication is crucial. In the present work a commercial ink was spiked with many trace elements in various concentrations. Inorganic and organometallic ink soluble compounds were used as spiking agents, whilst ink retained its initial properties. The spiked inks were used for paper writing and the documents were analyzed by a non destructive method, the energy dispersive X-ray fluorescence. The thin target model was proved right for quantitative analysis and a very good linear relationship of the intensity (X-ray signal) against concentration was estimated for all used elements. Intensity ratios between different elements in the same ink gave very stable results, independent on the writing alterations. The impact of time both to written document and prepared inks was also investigated.en
Type of ItemPeer-Reviewed Journal Publicationen
Type of ItemΔημοσίευση σε Περιοδικό με Κριτέςel
Licensehttp://creativecommons.org/licenses/by/4.0/en
Date of Item2015-10-07-
Date of Publication2008-
SubjectSignature authenticationen
Subject Inorganic and organometallic inken
Subject X-ray fluorescenceen
Bibliographic CitationV. S. Hatzistavros and N. G. Kallithrakas-Kontos, "Trace element ink spiking for signature authentication," J. Radioanal. Nucl. Chem., vol. 277, no. 2, pp. 399-404, Aug. 2008. doi: 10.1007/s10967-007-6989-2en

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