...Ifthere is any hæmorrhage, bathe with very cold waterin which alum has been dissolved, and apply a styptic,as tannic acid or perchloride of iron... 
Mrs. Leslie Williams 「A Manual of Toy Dogs」
...—The chemical antidote is tannic acid, which forms aninsoluble compound with the aconitin...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...Maidendetermined the percentage of mimosa tannic acid in the perfectly drybark as 8...
Ernest Giles 「Australia Twice Traversed, The Romance of Exploration」
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