Forensic science ink dating Chat du sex

30-Jun-2016 15:09

Therefore an out of sequence document can be shown to have been prepared at a time different from its date.The visual appearance of inks is only one clue to their composition.

Paper, ink, typewriter, computer printer, carbon paper, xerographic copies and pencil are some of the materials previously examined by Federal Forensic Associates, Inc.When you think a document is "too good to be true", it probably is.With advances in technology many documents which could not be analyzed just 5 years ago are possible sources of important information.Its uses range from differentiation of toner samples, which indicates the use of multiple xerographic machines, to the detection of specific inorganic components in paper or pencil, which would aid in the determination of common origin.The Atomic Force Microscopy allows for discrimination of surface features at the atomic level.

Paper, ink, typewriter, computer printer, carbon paper, xerographic copies and pencil are some of the materials previously examined by Federal Forensic Associates, Inc.When you think a document is "too good to be true", it probably is.With advances in technology many documents which could not be analyzed just 5 years ago are possible sources of important information.Its uses range from differentiation of toner samples, which indicates the use of multiple xerographic machines, to the detection of specific inorganic components in paper or pencil, which would aid in the determination of common origin.The Atomic Force Microscopy allows for discrimination of surface features at the atomic level.These impressions are the result of the preparation of writing on a document while in contact with the examined page of paper.