Differentiation of Red and Black Ballpoint Pen Inks using High Performance Thin Layer Chromatography and Gas Chromatography-Mass Spectrometry
The questioned document examiners usually encounter cases related to handwritten documents for the determination of their source, origin, and authenticity. The legal documents usually involve handwriting or signatures executed using ballpoint pens. These components of the ballpoint pen inks can be a...
Main Authors: | , |
---|---|
Format: | Article |
Language: | Arabic |
Published: |
Naif University Publishing House
2018-06-01
|
Series: | Arab Journal of Forensic Sciences & Forensic Medicine |
Subjects: | |
Online Access: | https://journals.nauss.edu.sa/index.php/AJFSFM/article/view/442 |