timer Asked: Nov 30th, 2015

Question description

Forensic scientists use chromatography on ink pens to tell if a document was written with a specific pen. This can provide direct evidence in many types of cases. For example, if a ransom note was found, forensic scientists would analyze the ink using chromatography. If a suspect was found with a pen that showed the same chromatography pattern, the forensic scientists would have strong evidence to suggest that suspect wrote the ransom note. Let’s see how forensic scientists would test a pen. You will need only a few simple household materials.

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