Definition of gallic acid in English:
noun[mass noun] Chemistry
An acid extracted from oak galls and other vegetable products, formerly used in making ink.
- Alternative name: 3,4,5-trihydroxybenzoic acid; chemical formula: C6H2(OH)3COOH
- Pyrogallol, tannic acid, and gallic acid were obtained from Zhunyi Reagents (Guizou, China).
- Modern compositions use other unstable, albeit somewhat less hazardous, aromatic compounds such as gallic acid or the salts of aromatic acids including sodium salicylate and potassium benzoate.
- Then, the paper is floated on a mixture containing silver nitrate and gallic acid.
Definition of gallic acid in:
- US English dictionary
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