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Investigation and Discrimination of Ballpoint Pen Inks by Analytical Techniques and Chemometrics
A population study has been performed for Pakistani ballpoint pen inks of blue, black, red, and green colors (a total of four colors) commercially used in Pakistan. Ballpoint pen inks have been investigated and discriminated by using UV/Vis spectroscopy and FTIR spectroscopy. We have calculated and...
| Autores principales: | , , , , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
| Publicado: |
Hindawi
2022
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9391124/ https://www.ncbi.nlm.nih.gov/pubmed/35992558 http://dx.doi.org/10.1155/2022/7450539 |