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The difference between tannic acid and gallic acid
- Categories:Industry dynamic
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- Time of issue:2020-05-10
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(Summary description)Tannic acid is also called tannic acid.Tannic acid is a tannin obtained from gallnut.Yellow or light brown light amorphous powder or scale;No odor,slight special smell,taste very astringent.Soluble in water and ethanol,soluble in glycerin,almost insoluble in ether,chloroform,or benzene.Its aqueous solution and iron salt solution meet to become blue black,adding sodium sulfite can delay discoloration
The difference between tannic acid and gallic acid
(Summary description)Tannic acid is also called tannic acid.Tannic acid is a tannin obtained from gallnut.Yellow or light brown light amorphous powder or scale;No odor,slight special smell,taste very astringent.Soluble in water and ethanol,soluble in glycerin,almost insoluble in ether,chloroform,or benzene.Its aqueous solution and iron salt solution meet to become blue black,adding sodium sulfite can delay discoloration
- Categories:Industry dynamic
- Author:
- Origin:
- Time of issue:2020-05-10
- Views:0
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