作者研究漂白粉中次氯酸离子的测定法是根据吲哚酚的反应。这个方法的实质,包括在碱性溶液中次氯酸离子与酚和苯胺的氧化-综合反应。苯胺被次氯酸离子氧化后生成氯亚胺衍生物,无鲜明的颜色,但它很容易与具有酚特性的化合物缩合,生成颜色很深的吲哚酚类(在碱性溶液的吲哚酚类),例如: The authors study the determination of bleach in hypochlorite ion is based on the reaction of indoxyl. The essence of this method includes the oxidative-comprehensive reaction of hypochlorite with phenol and aniline in alkaline solution. Aniline is oxidized by hypochlorite to form a derivative of imine, with no distinct color, but it is easily condensed with a compound having a phenolic character to form a strongly colored indole phenol (indoxyl in alkaline solution Class), for example: