Thin-layer chromatography incorporates a solid stationary phase and a moving liquid phase to cause a separation of the constituents of a mixture.  Although simple test may be run by simply allowing a solvent to wick up a piece of porous paper, a more revealing test requires the preparation of a plate.  Many different forms of chromatography are used in a number of branches in forensics.  Although some procedures require extremely expensive equipment, this concept can be practiced though the following inexpensive procedure.

Chromatography Lab Report