氰化物水质分析仪示值误差测量结果不确定度评定  

Evaluation of Uncertainty of Indication Error in Measurement of Cyanide Water Quality Analyzer

作　　者：郭知明[1] 王志鹏[1] 常子栋[1] 白玉洁[1] Guo Zhiming;Wang Zhipeng;Chang Zidong;Bai Yujie(Tianjin Institute of Metrological Supervision Testing,Tianjin,300192,China)

机构地区：[1]天津市计量监督检测科学研究院,天津300192

出　　处：《仪器仪表用户》2020年第8期10-12,共3页Instrumentation

基　　金：天津市市场监督管理委员会科技计划项目(2016-ZX-003)。

摘　　要：氰化物属于剧毒物质,其含量是水质监测中的重要指标之一。因此,氰化物水质分析仪被广泛应用于水质检测中,其量值准确事关水质安全。本文探讨了氰化物水质分析仪示值误差的测量不确定度评定方法,分析了稀释过程、标准物质、测量过程引入的不确定度,为优化测量提供了指导。Cyanide is a highly toxic substance,the content of cyanide is one of the important indexes in water quality monitoring.Therefore,the cyanide water quality analyzer is widely used in water quality detection,and its accurate value is related to water quality safety.This paper discusses the measurement uncertainty evaluation method of the indication error of the cyanide water quality analyzer,analyzes the uncertainty introduced by the dilution process,reference material,and measurement process,and provides guidance for optimizing the measurement.

关 键 词：氰化物水质分析仪 示值误差 不确定度 

分 类 号：TH71[机械工程—测试计量技术及仪器]