light available in Video Spectral Comparator -8000. Visualization of invisible writing is best done by viewing the samples under the spot light and U.V. Chemical examination through iodine fuming, NaOH or KOH are also very effective and reliable method but they are destructive in nature. The baking soda is the base that reacts with grape juice. Once it dries, use a cotton swab or paintbrush in grape juice to paint over the written message. Look for Cricut blanks with the Infusible Ink compatibility badge. Put a cotton swab or toothpick dipped in the mixture. Infusible Ink products work with compatible white or light-colored fabrics Infusible Ink requires Cricut Autopress, Cricut EasyPress 3, Cricut EasyPress 2, Cricut EasyPress Mini, Cricut Hat Press, Cricut Mug Press, or other heat press that reaches 400☏ (205☌). Cabinet are very cost-effective, non destructive and easily available technique to decipher these writings. Mix 2 tablespoons of baking soda with an equal amount of water.
#Invisible ink pen with white fingerprints software#
Examination through Photoshop software and U.V. In this research paper we have explained different techniques to decipher these invisible writings. Temperature dependent erasable ink and pH indicator disappearing ink both are widely used for this purpose. Invisible ink are becoming a popular tool for committing various economical and financial frauds. *Corresponding Author: Das Anamika, Email: published on 2 November, 2022. Using your paintbrush or cotton swab, write your message on the white paper. I, Directorate of Forensic Science Services, Ministry of Home Affairs, CGO Complex, Lodhi Road, New Delhi, 110003, India Option 2: Self-Destructing Invisible Ink Message.
Visualization of thermochromic ink & disappearing ink writings through various techniques on different paper surfacesĪnamika Das 1, *, Kumar Suneet 2, Kumar Sudhir 3, Ahmed Sayeed 4ġResearch Scholar, Division of Forensic Science, School of Basic and Applied Sciences, Galgotias University, Sector 17A, Greater Noida, Uttar Pradesh, 203201, IndiaĢScientific Officer, Forensic Science Laboratory, Mahanagar, Lucknow, Uttar Pradesh, 226006, IndiaģJoint Director, Forensic Science Laboratory, Niwari, Gaziabad, Uttar Pradesh201204, IndiaĤSenior Scientific Officer Gr. International Journal of Medical Toxicology & Legal Medicine
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