离子色谱法测定饮水中氯离子含量的不确定度评估

Uncertainty evaluation on the determination of chloride ions in drinking water by ion chromatography

对用离子色谱法测定生活饮用水中氯化物过程中引入的不确定度进行了分析,找出了影响检测结果的因素,并对各不确定度分量及合量进行了评估,明确了对测试结果有重要影响的分量,对进一步优化测试方法,提高实验的准确度有重要意义。

The uncertainty which was introduced during the course of determining the chloride in drinking water by ion chromatography has been analyzed. The main factors affecting the accuracy of determination have been found out. Different individual uncertainty componenet and combined uncertainty are evaluated. The uncertainty components which have important influence on the determination results are ascertained. It is significant to optimize the test methods and improve the accuracy of tests.