AGE OF SIGNATURE/INK – Anil Gupta Forensic Service

Yes, with certain limitations. We can determine the first date of commercial availability of the ink used to prepare any handwritten or handprinted material. The type of ink does not preclude this examination. If the initial date of commercial availability is more recent than the supposed date of the examined writing, then the document is not what it purports. We cannot, however, through this technique, determine the specific or even approximate date of preparation. Other techniques can determine the approximate date of preparation of handwritten entries. Additionally, it is possible to measure the quantity of several semi- volatile components that are present in ink. As the ink ages these components decrease and thus the approximate age of the writing can be determined. Not to the same degree as handwritten documents or signatures. It is not possible to determine commercial availability of these materials with the same degree of certainty as was possible with writing ink.

Date Coding Machine

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How can ink analysis and paper examinations help determine when a Ink dating is a highly specialized forensic examination and considered to be one of the and has provided expert testimony in international, federal, and state courts​.

We have gone through your all photographs, comparisons, detection job and other hard work for identifying the real culprit is highly appreciable”. Toggle navigation. With reference to the above. I am sending herewith the Demand Draft for Rs. First Class Magistrate, Yellamanchili A. I am herewith sending the following documents in C.

A1 and Ex. A2, both are Promissory notes having the signature of smt. Jayafor determining the age of signature and ink.

Ink Dating

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Start by reviewing the methods used to date old documents, and to detect forgeries. A chemical analysis of the paper and ink can provide a direct (2D) will support philologists, archaeologists and forensic experts.

These provisions are exceptional in nature to the general rule that evidence is to be given of the facts only which are within the knowledge of a witness. Who is an expert? The definition of an expert may be referred from the provision of Sec. For example, medical officer, chemical analyst, explosive expert, ballistic expert, fingerprint expert etc.

According to Sec. But practically there are some more subjects or fields on which court may seek opinion an expert. An expert witness is one who has devoted time and study to a special branch of learning and thus he is specially skilled on those points on which he is asked to state his opinion. His evidence on such points is admissible to enable the court to come to a satisfactory conclusion. State of A.

It is a rule of procedure that expert evidence must be corroborated either by clear direct evidence or by circumstantial evidence.

forged document identification by ink aging technique

All the drawing materials we use have a history, and some of them go back much earlier than we can imagine. This is the case for India ink, known in some countries as “China ink,” as it has been used in the countries in disciplines ranging from tattooing to comics, and whose existence is deeply linked to the history of the country. Discover everything you always wanted to know about India ink in the video below: its origins, the reasons for its importance both in your country and in the rest of the world, and its unexpected connection to everything from the political to the economic, and, finally, the artistic.

India ink is one of the oldest drawing materials in existence. Its origins are directly linked to the emergence of the Chinese alphabet. But where did the first manifestations of the ideograms we associate with the Asian country come from?

Albert H. Lyter III, an ink expert in Raleigh, N.C., says a complicated ink rates, scientists can use extraction tests to date many ink samples.

Ink , fluid or paste of various colours, but usually black or dark blue, used for writing and printing. It is composed of a pigment or dye dissolved or dispersed in a liquid called the vehicle. Writing inks date from about bc and were used in ancient Egypt and China. They consisted of lampblack ground with a solution of glue or gums, molded into sticks, and allowed to dry.

Before use, the sticks were mixed with water. Various coloured juices, extracts, and suspensions of substances from plants, animals, and minerals also have been used as inks, including alizarin, indigo, pokeberries, cochineal, and sepia. For many centuries, a mixture of a soluble iron salt with an extract of tannin was used as a writing ink and is the basis of modern blue-black inks.

Videojet launches new black ink for aerospace part marking applications

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 samples in a reference collection. The collection should contain information about the inks including the market introduction dates.

Ink identification and dating and detection of the age of ink. Signatures verification in New Delhi, writing experts delhi, use of typewriter and printer expert Age of the document expert new delhi India, Ink identification new delhi, FBI fingerprinting new delhi, forensic science expert in India, forgery detection India, fraud.

Thank you Your Enquiry has been sent successfully. Download Brochure. Date Coding Machine , online milk pouch and oil pouch Mfg date B. MRP Rs. We are offering a wide range of Date Coding Machine to our respected clients. Our offered products are made from quality tested materials with following set industry standards under the direction of experts.

Experts Opinion and its admissibility and relevancy – Law of Evidence

Know more. Load More. The brief facts leading to filing of Therefore, the revision petitioners have filed I.

Videojet ink experts develop black opaque ink for its continuous inkjet (CIJ) fluids are being used and verifying fluids are within their expiration date.

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. An ink formulation can be identified to a specific manufacturer to ascertain the first date of commercial availability.

If an entry is dated in , but the ink was not available until then the document could not have been created in Inks contain chemical solvents that evaporate and generally go through a drying process that can last up to 2 years. Comparing Writing Inks. Chemical analysis can be conducted on a suspicious entry to determine if it is consistent with other associated or surrounding writings. Multiple inks can be chemically compared with each other to corroborate or refute whether the entries were created contemporaneously or produced over multiple periods of time.

Forensic Analysis of Printers and Copiers. Ink analysis and dating can also be conducted on machine printed document such as inkjet ink and toner from photocopiers, laser printers, and facsimile machines. Forensic Paper Examination.


But this technique is also able to overcome other stumbling blocks relating to the amount of ink deposited when writing and the type of paper used, as these variables hamper the dating of a document by means of traditional methods. What is more, the new technique reduces the number of punctures needed to analyse the writing on a document to just one. Determining the age of a document to find out whether it is authentic is a task influenced by the type of paper on which it has been written, the pressure of the stroke -the amount of ink deposited when the writing was done- or even the technique used.

Until now, document dating methods have been able to indicate whether the writing was relatively new less than 90 days or older over two years , yet this chronological accuracy is insufficient in certain cases, above all in judicial ones.

In forensic science, questioned document examination (QDE) is the examination of documents In some locales, a clear distinction is made between the terms ‘​forensic document examiner’ and a ‘forensic handwriting expert/examiner’. Beyond the above, additional desirable skills include knowledge of paper, ink, printing.

Later date in pencil. I: Subsequently by descent. Magdalena Gram, ‘Nils Kreuger: tecknare, grafiker och formgivare’, article in ” Ed. Hans Henrik Brummer, “Nils Kreuger”, , mentioned p. Bukowskis uses cookies to facilitate user login. Please activate cookies for the domain www. You can read more about cookies on information page about cookies. You don’t have an account yet. Register a free account. Your email address has not been verified yet.

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Ink Experts

There are typically two different forensic methods for ink dating. With this method the forensic analysis determines the components in the ink, compares them against a library of standards and then allows an opinion regarding the first date that particular ink was manufactured commercially available. The dynamic approach is very useful in determining if a pen ink was placed on a document on its purported date, i.

Disha Experts. INDIA-CERT INKS MOU WITH US-CERT DATE: 12th January, PLACE: New Delhi AGENDA/ISSUE: For close cooperation and exchange of.

IFS is Govt. Act, ; UNI. MSYS ; also Regd. Court to examine various Documents, Handwriting and Signatures. We regularly receives cases from court, police and government departments. We also accept cases from private, public and individual clients. We have solved many cases and given expert opinions to many Govt. Agencies etc , Semi-Govt. Forensic science is the use of advanced scientific techniques during criminal and civil investigations.


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