Pyr′o‐gal″lol (?), n. [Pyrogallic + -ol.] (Chem.) A phenol metameric with phloroglucin, obtained by the distillation of gallic acid as a poisonous white crystalline substance having acid properties, and hence called also pyrogallic acid. It is a strong reducer, and is used as a developer in photography and in the production of certain dyes.
Conteúdo
Direitos e fontes
Consulte informações de fonte, licença e atribuição deste conteúdo.
Conteúdo
Webster's Dictionary 1913
Webster's Revised Unabridged Dictionary, C. & G. Merriam Co., 1913.