Ink dating

ink dating-39
The ability to further examine these materials, as was described previously, does not exist to the same degree.It is possible to examine xerographically produced materials and determine the extent to which they have been exposed to environmental conditions. Additional examination methodologies are being evaluated that concern the other referenced materials. Physical and chemical examinations can indicate the use of multiple typewriters, printers, papers or writing instruments in the preparation of a document.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.

The ability to further examine these materials, as was described previously, does not exist to the same degree.It is possible to examine xerographically produced materials and determine the extent to which they have been exposed to environmental conditions. Additional examination methodologies are being evaluated that concern the other referenced materials. Physical and chemical examinations can indicate the use of multiple typewriters, printers, papers or writing instruments in the preparation of a document.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.

It is not possible to determine commercial availability of these materials with the same degree of certainty as was possible with writing ink.

It is, however, often possible to ascertain enough information to provide a list of possible sources and thus a range of commercial availability dates.

The chemical testing that is referenced does require removal of samples from the document.

Normally these samples are removed with a hypodermic needle sized hole punch and do not affect the legibility of the material.

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.

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.

The best measure of admissibility is in the competence of the expert, and we at Federal Forensic Associates, Inc.

take pride in providing the best in integrity and technical expertise.

The hole punch is approximately the size of a typewriter period and a full range of tests requires about 30.

In a normal sized signature there is over 4 inches of written line, and 30 "microplugs" is approximately 5/8 inch.

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