Application of column chromatography in pharmacy •
Chromatography is a process used to separate mixtures.
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The word chromatography is derived from the Greek words "khroma" and "graphein" meaning "color" and "to write" or "to represent".
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The chromatography technique is first discovered by Russian Biologists, Dr. Michael Tswett in 1906 for the separation of colored plant pigment on a column of alumina.
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Now-a-days various types of chromatography are used to separate almost any given mixture whether colored or colorless into its component.
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Chromatography may be regarded as an analytical technique employed for the purification and separation of organic and inorganic substances.
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It is also found useful for the fractionation of complex mixture, separation of closely related compounds, such as isomers and in the isolation of unstable substances.