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原子荧光光度计测定水中总汞的不确定度的评定
引用本文:陈宇波,韩天玮,吴卓智.原子荧光光度计测定水中总汞的不确定度的评定[J].现代仪器,2010,16(4).
作者姓名:陈宇波  韩天玮  吴卓智
作者单位:1. 湛江市海洋与渔业环境监测站,湛江,524039
2. 广州市环境监测中心站,广州,510030
摘    要:本文依照标准文件的原则对原子荧光光度计测定水中总汞的不确定度进行评定。笔者提出利用校准曲线的残差来量化曲线拟合带入的不确定度分量。这不仅减少工作量而且更符合监测工作实际,使评定程序更具可操作性。经评定,原子荧光法测定总汞水样(1.00μg/L)的扩展不确定度为3.0%。

关 键 词:原子荧光光度计  总汞  不确定度评定

Evaluation of uncertainty determining total mercury in water with atomic fluorescence spectrometer
Chen Yubo,Han Tianwei,Wu Zhuozhi.Evaluation of uncertainty determining total mercury in water with atomic fluorescence spectrometer[J].Modern Instruments,2010,16(4).
Authors:Chen Yubo  Han Tianwei  Wu Zhuozhi
Abstract:This article has evaluated the uncertainty of determination total mercury in water with atomic fluorescence spectrometer according to standard file's principle.The author proposed that quantify uncertainty component of curve fitting residuals using the calibration curve residual error.This is not only saved the work load moreover to tally with the monitor work reality,caused the evaluation procedure to have the more feasibility.After the evaluation,with the atomic fluorescence method determination total mercury's example (1.00μg/L),its expansion uncertainty is 3.0%.
Keywords:Atomic fluorescence spectrometer  Total mercury  Uncertainty evaluation
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