Dating paper age

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This article is Open Access. The chemical analysis of writing and printing inks, as well as paper, can be invaluable when trying to prove whether a document is fraudulent. Are any of the referenced techniques destructive? This gridiron pattern can be seen when the paper is held to the light. Gerald M.

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First use of paper in Egypt.

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Ink Dating

FAQ Can you determine the date of preparation of a document containing either handwritten notations or signatures? In the current part, each model was tested using the three selected ageing parameters. In a dark room and under black light optical brighteners will usually fluoresce a very bright light blue or bright white. This paper presents a study into the potential of visible spectroscopy with chemometrics as an approach to dating blue ball tip inks on paper documents. Forensic science of dating inks fine tuned.

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