ABSTRACT

Disappearing ink are water-based acid-base indicators. It's change from a coloured to a colourless solution upon exposure to the air. Although disappearing inks are mostly used joke tool, these inks are abused in forgery. A bond that generated using disappearing ink was presented in this study. This document was examined use VSC 6000/HS in Questioned Document Examination Laboratory.

Keywords: Forensic document examination, forgery, Disappearing ink, signature examination