Name the different types of Chromatography and explain the principles

1.	Name the different types of Chromatography and explain the principles underlying them.
Answer» Depending on the nature of the stationary phase i.e., whether it is a solid or a liquid, chromatography is classified into adsorption chromatography and partition chromatography. i. Adsorption chromatography : This technique is based on the principle of differential adsorption. Different solutes are adsorbed on an adsorbent to different extent. Adsorption chromatography is further classified into two types : 1. Column chromatography 2. Thin-layer chromatography ii. Partition chromatography : This technique is based on continuous differential partitioning of components of a mixture between stationary and mobile phases. For example, Paper chromatography.

Name the different types of Chromatography and explain the principles underlying them.

Answer»

Depending on the nature of the stationary phase i.e., whether it is a solid or a liquid, chromatography is classified into adsorption chromatography and partition chromatography.

i. Adsorption chromatography :

This technique is based on the principle of differential adsorption. Different solutes are adsorbed on an adsorbent to different extent.

Adsorption chromatography is further classified into two types :

1. Column chromatography

2. Thin-layer chromatography

ii. Partition chromatography :

This technique is based on continuous differential partitioning of components of a mixture between stationary and mobile phases.

For example,

Paper chromatography.

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