After comparison of analysis methods of free chlorine and active chlorine, it confirmed the influences on analysis results from nitrite ion.

通过对氯碱生产中一次盐水游离氯及有效氯含量分析方法的对比，确定了亚硝酸根离子对分析结果的影响。

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After comparison of analysis methods of free chlorine and active chlorine, it confirmed the influences on analysis results from nitrite ion.

通过对氯碱生产中一次盐水游离氯及有效氯含量分析方法的对比，确定了亚硝酸根离子对分析结果的影响。

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