Ink dating, ink age, forensic analysis ink

• Establishing the statute of limitations for writing a handwritten text;
• Determining the date of signing;
• Determination of the date of affixing of seals;
• Establishing the fact of artificial exposure (fraudsters often use thermal, chemical or light exposure in order to give an older type of paper);
• Establishing the relative prescription, namely, the simultaneity of the execution of the printed text on various pages of the contract, act, etc.;
• Establishing the sequence of execution of the printed text, seal impressions, signatures.

1. Gas chromatographic methods developed in the rfcse at the ministry of justice of the russian federation and in the ecc of the ministry of internal affairs of the russian federation.
2. Scientifically based and reliable methods based on the assessment of the degree of extraction of dyes, described in the specialized forensic literature.
3. Methods of physico-chemical microscopic analysis for the assessment of external artificial impact.

The experts of the Center for Chemical Research have higher chemical education, documented certificates of competence and extensive experience in specialized specialties:

• Examination of the details of documents;
• The use of chromatographic methods in the study of objects of judicial expertise.

The applied methods of analysis, modern equipment, a library of comparative samples of strokes of ballpoint pens, gel pens, as well as prints of seals of various chemical compositions, make it possible to successfully carry out the examination of the prescription of documents whose age ranges from one month to five years with high accuracy.