| 单词 | pyrogallic acid |
| 释义 | pyrogallic acid (once / 125738 pages) n WORD FAMILY pyrogallic acid USAGE EXAMPLESFrederick Scott Archer published his collodion process in the March number of The Chemist, and introduced pyrogallic acid as a developer December 20th. Werge, John, The Evolution of Photography—With a...(2012) No. 2 contains a small portion of pyrogallic acid, about the size of a pea. Stanton, Ellis, Magic—In which are given clear and...(2011) "I have used Merck's Pyrogallic Acid, and prefer it to all others." Blaney, Henry R., Photogravure(2011) n a toxic white lustrous crystalline phenol used to treat certain skin diseases and as a photographic developer Syn|Hyper pyrogallol phenol any of a class of weakly acidic organic compounds; molecule contains one or more hydroxyl groups |
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