GSO ISO 8466-2:2008
水质分析方法的校准和评价以及性能特性的估计 第2部分：二阶非线性校准方程的校准策略

Water quality - Calibration and evaluation of analytical methods and estimation of performance characteristics - Part 2: Calibration strategy for non-linear second-order calibration functions

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标准号

GSO ISO 8466-2:2008

发布

2008年

发布单位

GSO

当前最新

GSO ISO 8466-2:2008

 

 

适用范围

It is not always possible to accurately describe the relationship between a set of calibration points with a rectilinear curve, even by decreasing the working range. Instead of the linear regression analysis, a least-squares fit to a second-order polynomial is applied (see test for linearity in 4.1.3 of ISO 8466-1:1990[1]). Using this fit, it is possible to calculate not only the calibration function but also the confidence interval associated with it. This part of ISO 8466 is intended primarily for use in method development and may not necessarily be applicable to all routine analyses.

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