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Describe the principle involved in each of the processes. Column chromatography for purification of rare elements.

Describe the principle involved in each of the processes.
Column chromatography for purification of rare elements.

Grade:

1 Answers

Sunil Kumar FP
askIITians Faculty 183 Points
7 years ago
principle:-Chromatography has been developed into a new method of separation of mixture of substances mainly when they are available in small amounts. This method is very useful when the components of a mixture have almost the same physical and chemical properties and hence can’t be separated by other usual methods of separations.
The methods of separation in chromatography are based on the distribution of the components in a mixture between a fixed (stationary) and a moving (mobile) phase. The stationary phase may be a column of adsorbent, a paper, a thin layer of adsorbent on a glass plate, etc., through which the mobile phase moves on. The mobile phase may be a liquid or a gas. When a solid stationary phase is taken as a column it is known as column chromatography.

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