Forensic ink dating dating a muslim guy
An ink formulation can be identified to a specific manufacturer to ascertain the first date of commercial availability. He trained with and served as the Chief Research Forensic Chemist with the United States Secret Service and was responsible for maintaining the largest known forensic collection of writing inks in the world. La Porte has published several scientific papers in the area of forensic document examination and authored three textbook chapters in the Forensic Chemistry Handbook (Chemical Analysis Techniques Used in Forensic Document Examinations), The Wiley Encyclopedia of Forensic Sciences (Documents, Forgeries and Counterfeits), and Forensic Chemistry Fundamentals and Applications (Chemical Analysis for the Scientific Examination of Questioned Documents).If an entry is dated in 1995, but the ink was not available until 2005 then the document could not have been created in 1995. That is why it is very useful for documents that have been signed as it is possible to compare whether the body of the document, if it has been written by hand, is as old as the signature. Or else it is a very useful tool to date contracts, settlements, wills or other documents. Unlike the large quantity of sample required by other traditional methods to age the compounds artificially and analyse them, the technique developed in the UPV/EHU labs allows the document to be dated using a single puncture and without altering the compounds. DATINK pilot study: An effective methodology for ballpoint pen ink dating in questioned documents, Archeologists have uncovered a large Bronze Age city not far from the town of Dohuk in northern Iraq.
This company also supplied the knowledge about the current problems in dating documents, real cases that had been subjected to legal examination.
The chemical analysis of writing and printing inks, as well as paper, can be invaluable when trying to prove whether a document is fraudulent.
Ink dating is a highly specialized forensic examination and considered to be one of the most accurate and reliable methods to help determine the age of a document. has extensive experience as a forensic chemist and document dating specialist.
Each document was produced at different moments using a different ink stroke pressure, factors that may alter the results and lead to dating errors.
During the natural ageing process of each sample, which had a known age, the research team analysed the evolution in the various volatile components.