Cercetarea materialelor documentelor. Sarcini și metode de cercetare a materialelor documentelor cu scopul determinării timpului creării documentelor

Résumé

The determination of time in execution of documents is an important parameter in determining the authenticity of documents. In present work are presented several methods of documents dating written with different writing materials, which involves determination of different parameters, which may change over time: reaction speed; solubility; concentrations of volatile substances, etc.