El‐Molla et al., 2013 - Google Patents
Preparation of disappearing inks and studying the fading time on different paper surfacesEl‐Molla et al., 2013
- Document ID
- 2144104431951497883
- Author
- El‐Molla M
- Shama S
- El‐Sayed Saeed S
- Publication year
- Publication venue
- Journal of forensic sciences
External Links
Snippet
Disappearing inks have been used in different fields, but it may be abused in forgery and counterfeiting. This research was conducted on the preparation of disappearing inks using different concentrations of thymolphthalein, phenolphthalein, and their mixture. The …
- 239000000976 ink 0 title abstract description 91
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