英语词汇“azo dye”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	azo dye
释义	azo dye noun Chemistry Any of a large class of synthetic dyes whose molecules contain two adjacent nitrogen atoms between carbon atoms.Urobilinogen reacts with a chromogen to form an azo dye which appears as various shades of pink or purple.... Thus Paul Ehrlich's Salvarsan was an arsenic analogue of an azo dye, and the first sulfa, or wonder, drug, Prontosil, was the metabolic product of a red azo dye. Nitrite was determined spectrophotometrically upon diazotation and forming of azo dye.
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