Thin layer chromatography

• Thin layer chromatography is also known as TLC.
• TLC is one type of solid liquid chromatography.
• where mostly stationary phase is  absorbent.usually it is finely ground silica or alumina particles.
• The absorbent is coated on the thin aluminum sheet.and mobile phase can be single solvent or mixture of solvents.  

• TLC is quick and inexpensive technique  it used to determined:
• Determine the number of component in a mixure.
• verify a substance's identify.
• monitor the progress of reactiochn. This technique is mainly used in active pharmaceutical ingredients plant to know the status of reaction.