The are very few Ink Dating Experts in the world. In fact there are probably less than 10 world wide. Based on research, the most trained and qualified Ink Dating Expert worldwide is a Mr. Gerald Laporte who is with the firm Riley, Welch, Laporte and Associates, located in Michigan. Mr. Laporte was the senior research ink chemist with the United States Secret Service Forensic Laboratory in Washington D.C. The quick answer to the question is that Ink Experts use Gas Chromatography Mass Spectometry and had to remove small micro-plugs of the ink line (signature), or ink (ink jet printed document). The process sounds quite complicated and there appear to be very few in the world that have this expertise.
Some famous documents that were written in ink include the United States Constitution, the Magna Carta, and the Declaration of Independence. These documents were handwritten using ink on parchment or paper.
Black ink
The recommended ink color for signing legal documents is typically black or blue.
i think ink is not used to scan documents.
In any official documents we generally avoid using red clor ink. And when it comes to court documents one needs to be more careful.
black
Black ink is the most common and preferred color for formal documents. It is considered professional, easy to read, and suitable for legal and business purposes.
An ink pad is usually a flat container with a hinged lid on it, inside there is material that is saturated with stamp ink. a stamp can then be pushed onto it charging it with ink so that documents or paper can be stamped.
The main purpose to analyze a document, especially historical documents, is to determine authenticity. Various processes are followed to determine the authenticity of the paper and ink, which is used to date the item.
Blue or black are considered the standard and some banks might require a certain color of ink or they will refuse to process documents, but colored inks are legal.
In a bank robbery investigation, paper chromatography can be used to analyze ink from notes or other documents left behind. By separating the components of the ink, forensic scientists can identify its chemical composition and potentially match it to specific brands or batches of ink used in banknotes. This can help link the robbery to a suspect if they possess similar ink or if it matches ink found at their location. Ultimately, it serves as a crucial tool in tracing evidence and building a case against the perpetrators.
They used it for writing down documents.