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通过电位滴定法测定苯菲尔特脱碳溶液中卤素离子的方法试验,消除采用比色法测定时NO2-、S2-等干扰离子及样品颜色的干扰,提高方法的准确度。通过最佳实验条件的试验,可选择电位滴定法测定苯菲尔特脱碳溶液中卤素离子的含量。
The method of potentiometric titration for the determination of halogen ions in the Benfelt decarburization solution eliminates the interference of the interference ions such as NO2- and S2- and the color of the sample when measured by the colorimetric method and improves the accuracy of the method. Through the test of the best experimental conditions, the potentiometric titration method can be used to determine the content of halogen ions in the Benfite decarburization solution.