The chloroform solution of 4-Amino-antipyrine was used to measure the phenol in water by extraction and photometer.The method and the precision were discussed in this paper.

• 本文通过实验的方法，用三氯甲烷处理4-氨基安替比林溶液，解决了用4-氨基安替比林测定挥发酚实验空白值高的问题，并确定了三氯甲烷最佳使用量。