气敏电极法测定离子膜制碱工艺二次盐水中的氨  

Determination of ammonia in secondary brine for production of ion-exchange-membrane caustic soda by gas sensing electrode

作　　者：司学芝[1] 庞文生[2] 崔海红 杨名 

机构地区：[1]郑州工程学院,河南郑州450052 [2]河南城建高等专科学校,河南平顶山467000 [3]平顶山高等师范专科学校,河南平顶山467002

出　　处：《氯碱工业》2002年第3期39-40,共2页Chlor-Alkali Industry

摘　　要：研究了用气敏电极测定离子膜制碱工艺二次盐水中氨的分析方法 ,对测定的线性范围作了理论探讨和大量试验 ,pH值为 10 .5～ 11.5时 ,线性范围为 0 .15～ 8.0mg/L ,最低检出限度为 0 .0 85mg/L ,RSD不大于1.5 %The analytical methods of ammonia in secondary brine for production of ion-exchange-membrane caustic soda by gas sensing electrode are studied,the linearity range is determined with theoretical discussion and a lot of experiments.When the pH value is from 10.5 to 11.5,the linearity range is from 0.15 to 8.0 mg/L,the lowest limits is 0.85 mg/L,RSD is no more than 1.5%.

关 键 词：气敏电极法 测定 离子膜 烧碱 制碱工艺 二次盐水 氨 

分 类 号：TQ114[化学工程—无机化工]