Comparison between blue ballpoint pen and blue gel pen inks using stereomicroscopy, video spectral comparator, atr-ftir, thin layer chromatography and chemometrics technique
Pens have been used as tools to make alterations on documents during the act of forgery. The emergence of hybrid pen inks which exhibits both characteristics of gel pen and ballpoint pen inks has imposed challenges to ink discrimination. Therefore, this study aims to compare the physical and chem...
| Main Author: | |
|---|---|
| Format: | Monograph |
| Language: | English |
| Published: |
Universiti Sains Malaysia
2016
|
| Subjects: | |
| Online Access: | http://eprints.usm.my/62621/ http://eprints.usm.my/62621/1/LINTHINI%20GANNETION%20-%20e.pdf |