用正丁醇和醋酸丁酯混合剂萃取废水中的苯酚,在275nm处用紫外分光光度计测定。含酚量在0.8～30ppm的水样分析结果符合朗白——比尔定律。醛类、芳香烃类对测定无干拢。本方法具有操作简便、快速,受pH影响小,准确度高等优点,尤其适用于工业快速分析。 Phenol in wastewater was extracted with a mixture of n-butanol and butyl acetate, and measured with a UV spectrophotometer at 275 nm. The results of water samples with phenol content between 0.8 and 30 ppm are in line with the Lambert-Beer law. Aldehydes, aromatic hydrocarbons on the determination of dry up. The method has the advantages of simple and fast operation, little influence by pH, high accuracy and the like, and is particularly suitable for industrial rapid analysis.