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Hasil cari dari kata atau frase: Gallic acid(0.02040 detik)
Found 2 items, similar to Gallic acid.
English → English (WordNet)
Definition: gallic acid
n : a colorless crystalline acid obtained from tannin
English → English (gcide)
Definition: Gallic acid
Gallic \Gal"lic\ (277), a. [From Gall the excrescence.]
Pertaining to, or derived from, galls, nutgalls, and the
Gallic acid (Chem.), an organic acid, very widely
distributed in the vegetable kingdom, being found in the
free state in galls, tea, etc., and produced artificially.
It is a white, crystalline substance, C6H2(HO)3.CO2H,
with an astringent taste, and is a strong reducing agent,
as employed in photography. It is usually prepared from
tannin, and both give a dark color with iron salts,
forming tannate and gallate of iron, which are the
essential ingredients of common black ink.