摩尔法测定氯离子含量的误差分析及采取措施  

The Error Analysis and Countermeasure of Chlorine Ion Content Using Molar Method

作　　者：周少玲[1] 

机构地区：[1]山东电力研究院,山东济南250002

出　　处：《山东电力技术》2007年第6期22-23,18,共3页Shandong Electric Power

摘　　要：介绍了摩尔法测定氯离子含量由于沉淀溶解损失产生的误差,根据误差计算的结果说明了摩尔法不能测定低含量氯离子的原因,分析了摩尔法测定中水的氯离子含量偏高的原因,强调了K2CrO4加入量以及取样器皿选择的重要性,介绍了试验结束后锥形瓶清洗的要点。This paper introduces that when measuring chlorine ion using molar method ,the solubility of the deposit will cause analysis error. The calculated error indicates that molar method can＇t be used for measuring low chlorine ion .This article also emphasizes the reason why the measuring result is higher than it＇s true value when measuring chlorine ion using molar method in neutrowater. This paper emphasizes the importance to choose sampling container and introduces the artifice for cleaning conical flask after experiment.

关 键 词：摩尔法 氯离子 误差 中水 

分 类 号：TK621.8[动力工程及工程热物理—生物能]