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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。
In this paper, the experimental method, the use of chloroform treatment of 4-aminoantipyrine solution to solve the use of 4-aminoantipyrine measured volatile phenol blank value is high, and determine the optimum amount of chloroform .