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连续流动分析法测定水中总氮的不确定度评定
引用本文:陆慧慧,陆茸.连续流动分析法测定水中总氮的不确定度评定[J].四川环境,2012(4):25-28.
作者姓名:陆慧慧  陆茸
作者单位:常州市环境监测中心,江苏常州213000
摘    要:在实验室分析基础上,对连续流动分析法测定水中总氮过程的不确定度进行评定。本文建立了数学模型,对不确定度来源进行了分析,并计算了不确定度分量、合成不确定度及扩展不确定度,最后给出了总氮测量结果的标准表示方法。

关 键 词:总氮  连续流动分析法  不确定度

Evaluation of Uncertainty for the Determination of Total Nitrogen in Water by Continuous Flow Analysis
LU Hui-hui,LU Rong.Evaluation of Uncertainty for the Determination of Total Nitrogen in Water by Continuous Flow Analysis[J].Sichuan Environment,2012(4):25-28.
Authors:LU Hui-hui  LU Rong
Institution:( Changzhou Environmental Monitoring Center, Changzhou, Jiangsu 213000, China)
Abstract:On the basis of laboratory analysis, the uncertainty for determination of total nitrogen in water by continuous flow analysis was evaluated. In this paper, a mathematical model was established and the uncertainty source was analyzed, and then the components of uncertainty, synthetic uncertainty and expanded uncertainty were calculated. Finally a standard expression for determination result of total nitrogen was given.
Keywords:Total nitrogen  continuous flow analysis  uncertainty
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