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There are Two Phases Chromotherapy. 1:Stationary phase: In Chromatography the fixed phase is called stationary phase.Stationary phase may be a porous or finally divided solid or a liquid that has been coated in a thin layer and bound to some inert support material. 2:Mobile Phase: The phasee which have the ability to move over the surface of stationary phase is known as mobile phase. It may be pure liquid, mixture of solution or gas.

Chromatography is a process of chemistry in which mixture of different compound is separated on the basis of their relative polarity difference. There are two types of chromatography: 1:Stationary phase 2:Mobile phase