Experiment 5

 How Can an Impure Solid Substance Be Purified and
How Can Purity Be Measured?

THIN LAYER

AND

COLUMN CHROMATOGRAPHY




Pre-Lab Preparation Sheet

TLC Animation
Select a solvent system (1,  2 or 3) note the solvent composition in the upper left corner of the screen and click play.
Run the animation for all three solvent systems and use them to answer the prelab questions.

Pre-Lab Questions

Procedure

Group Role and Solvent Assignments

Lab Report Format