TLC Exercises:

 

 1. Describe three ways in which colorless compounds can be located on a TLC plate.

 

 

 

 

 

 

 

 2. Why should a TLC plate be removed from the solvent before the solvent front reaches the top

    of the plate ?

 

 

 

 

 

 

 3. The separating power or activity of a TLC plate is increased by heating the plate in an oven

    @ 100oC. Why ?

 

 

 

 

 

 

 4. Why should the developing chamber for a TLC plate not be open to the atmosphere ?