A toxic white lustrous crystalline phenol used to treat certain skin diseases and as a photographic developer.
1I tried iodine, argyrol, pyrogallic acid, potassium permanganate.
2Pure water, 24 ounces; oxalic acid, 15 grains; pyrogallic acid, 1 ounce.
3I want to buy some pyrogallic acid.'
4It is then withdrawn and immersed in a solution of pyrogallic acid for half an hour, after which it is washed and dried.
5Pyrogallic acid will change your skin to that of an Indian.
6'I rather thought the end would be pyrogallic acid.'
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Translations for pyrogallic acid