Separating Inks in Markers Using Chromotography (Paper Chromotography) - VIDEO

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In this video, which is a supplement to my Chromotography Lab, I walk through the process of taking 8 seemingly identical black water based markers, and through a process called chromotography, separate the inks in the markers into their individual chemicals, showing that they are indeed, NOT identical.

This process shown is an extremely basic example of the methods used by forensic scientists to identify substances found at crime scenes....without the million-dollar machines.

The video explains the basics of how chromotography works, and can be used as a TAG/GATE type activity for students, as a lab make-up video, or for teacher instruction.

The video is 13:00 long, is 1080p, and is in mp4 format.
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