摘要
通过检测水中总硬度的含量,论述水中总硬度测定结果的测量不确定度的来源及评定方法,当k=2,水中总硬度含量测定结果的扩展不确定度为(209.0±0.7)mg/L。
Based on determination of total hardness in water with EDTA titration,the source and evaluation of uncertainty were discussed.When k=2,the expanded uncertainty of total hardness in water was (209.0±0.7)mg/L.
出处
《光谱实验室》
CAS
CSCD
北大核心
2009年第4期945-948,共4页
Chinese Journal of Spectroscopy Laboratory
关键词
滴定
总硬度
不确定度
Titration
Total Hardness
Uncertainty