WebAug 1, 2010 · Two main approaches can be used for determining the age of an ink: indirect dating and direct dating. Indirect dating is based on the chemical analysis of an ink followed by comparison with known ... WebONLY WIDE VARIATIONS IN INK AGES CAN BE POSITIVELY DETERMINED. HOWEVER, PHYSICAL AND CHEMICAL TESTS CAN DETERMINE THE TYPE AND …
How Do Forensic Chemists Detect ‘Record Tampering’
WebHowever, many attorneys do not know that additions, alterations or rewriting can also be detected – by a forensic chemist. A forensic chemist is able to do more than a forensic document examiner. 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; WebAug 1, 2010 · How long an ink has been on paper is determined by comparison of the relative concentrations of the volatile components of the questioned ink with those of known inks (age) of the same formulation. greece map today
determination+of+age+of+ink Indian Case Law Law CaseMine
WebInk dating is one of the most trustworthy methods to assist in determining the age of a document. ... (GC/MS) to identify the amount of solvent remaining in the ink to determine the age of the ink up to a two (2) year period. Personnel. Dennis Ryan . Senior Forensic Document Examiner. Laura A. Mancebo. Forensic Document Examiner. WebHowever, it can be difficult to age an ink, unless it is known for sure that the ink did not exist when the document was said to have been prepared. From the 1990s, some ink … WebHowever, it can be difficult to age an ink, unless it is known for sure that the ink did not exist when the document was said to have been prepared. From the 1990s, some ink manufacturers started to add a chemical tag to their products to indicate the year of manufacture. This enables chemical analysis to age the ink, but the tests to do this ... greece map thessaloniki