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滴定法测定的不确定度评定——以EDTA法测定水中钙镁为例
引用本文:戴大清,范红卫.滴定法测定的不确定度评定——以EDTA法测定水中钙镁为例[J].污染防治技术,2006,19(6):58-60.
作者姓名:戴大清  范红卫
作者单位:射阳县环境监测站,江苏射阳224300
摘    要:用测量不确定度表示检测结果是当前国际上约定做法,然而如何对测量结果的不确定度进行合理评定,一直是困扰检测实验室的一个难题。作者依据测量不确定度的评定原则,通过实例,简要地阐述了滴定法测量不确定度评定方法,对环境检测领域测量不确定度的评定具有借鉴意义。

关 键 词:滴定  总硬度  不确定度
收稿时间:2006-05-31
修稿时间:2006-06-17

Uncertainty Evaluation of Measurement with Titration Measurements of Calcium and Magnesium by EDTA Method as an Example
DAI Da-qing , FAN Hong-wei.Uncertainty Evaluation of Measurement with Titration Measurements of Calcium and Magnesium by EDTA Method as an Example[J].Pollution Control Technology,2006,19(6):58-60.
Authors:DAI Da-qing  FAN Hong-wei
Institution:Sheyang Environmental Monitoring Station, Sheyang, Jiangsu 224300, China
Abstract:The uncertainty of measurement to indicate the results of examination is a regular method in the world now. However,how to reasonably evaluate the uncertainty degree of measuring results remains a difficult problem for the examination laboratory. Based on the rules of uncertainty evaluation in measurement, the article summarized the ways to evaluate the uncertainty in measurement with titration. This work is of great significance in evaluating the uncertainty degree in the environmental monitoring.
Keywords:titration  total hardness  uncertainty
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