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The application of chromatography can be divided into two categories: preparative chromatography and analytical chromatography according to the purpose
The purpose of preparative chromatography is to separate the mixture to obtain a certain amount of pure components, which includes the purification of organic synthesis products, the separation and purification of natural products, and the preparation of deionized water
The purpose of analytical chromatography is to quantitatively or qualitatively determine the nature and content of each component in a mixture