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In the extraction of salvia miltiorrhiza polysaccharide, cellulose was treated with sodium hydroxide, and then fiber column chromatography was carried out. Why treat cellulose with sodium hydroxide?
The function of NaOH is to dissolve and remove the non-fiber part of cellulose and separate cellulose.

Regarding the steps after separation and identification,

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Extraction, separation and structural identification of salvia miltiorrhiza polysaccharide >

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