Ink dating date tags example sentence for radiometric dating
Speckin Lawyers should be interested in the forensic examination of disputed records for three reasons: 1. Ink dating The dating of inks is done in three primary forms. Approximately one-third of all inks manufactured in North America contain a cumerin compound that is unique for its year of manufacture. Also, the first date of production can be established by determining the type and manufacture of the ink.
A forensic chemist can: * detect an alteration made with a different pen; * determine the age of a document; * determine the age of a particular ink; * determine when an ink was first commercially available; and * determine, at times, if additions, alterations or rewriting of records have occurred, and then if so, when it happened, who did it, where it was done, when it was done, what was replaced and who knew’ about it.
If a consistency between a known dated standard and the questioned ink can be established in either the rare of extraction or in the ratio between the due components, the date of authorship can be accurately determined.
* the intentional concealment of a change that is not clearly noted but takes instrumentation to detect; * an addition or change to a critical entry; * an entry that was not made contemporaneously with the other entries with no notation of late charting; * a pattern of alterations to the critical entries; * testimony is different than the forensic evidence present; * the whiting-out, scribbling-out or obliteration of an entry or pan of an entry; or * the addition or removal of pages to or from a record.
Although many documents are written today by computer and printed off on computer printers and/or copied on electrostatic copiers, handwriting is still widely used in many documents.
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Case examples Several cases have been forensically proven, including: * Medical records kept on a form that was not in existence until three years after the first date on the records.
* Expansion to the records that occurred two years after the patient was dead.