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Azomethine Dyes |
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Azomethine Dyes
organic dyes whose molecules contain the characteristic chromophore groups—CH=N—. The azomethine dyes include one of the first synthetic dyes, purple-red murexide. Its formation serves as a characteristic reaction for uric acid, which forms this dye during evaporation with diluted HNO3 and the subsequent addition of ammonia. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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