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利用对氨基苯酚与苯酚和氢氧化钠的颜色反应,用分光光度法测定了硝基苯在酸性介质中还原生成芳胺混合物中的对氨基苯酚。该方法稳定准确,混合物中其它组分对测定无干扰。
The color reaction of p-aminophenol with phenol and sodium hydroxide was used to determine the p-aminophenol in the mixture of aromatic amines by nitrobenzene reduction in acidic medium by spectrophotometry. The method is stable and accurate, the other components of the mixture without interference on the determination.