英语词汇“hydroquinone”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	hydroquinone
释义	hydroquinone Chem.\|haɪdrəʊˈkwaɪnəʊn\| Also -chinon(e, -kinone. [f. hydrogen + quinone.] A diatomic phenol, C₆H₄(OH)₂, prepared from quinone, C₆H₄O₂, by reduction with sulphurous acid, crystallizing from water in colourless rhombic prisms. Now used as a developer in photography. 1865–72Watts Dict. Chem. III. 213 Hydroquinone, Hydrochinone, Hydrokinone... Colourless Hydroquinone (Pyroquinole), C₆H₆O₂..is the chief product of the dry distillation of quinic, carbohydroquinonic, and oxysalicylic acids.Ibid., Green Hydroquinone or Quinhydrone..C₆H₆O₂. C₆H₄O₂,..may be regarded..as a compound of quinone and colourless hydroquinone.1889Anthony's Photogr. Bull. II. 171 Hydroquinone, or more shortly quinol, will be the developer of the future.1893Brit. Jrnl. Photog. XL. 795 The development was effected with hydroquinone, as giving a blacker tone.
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