Uncertainty evaluation in proficiency testing: state-of-the-art, challenges, and perspectives

被引：2
|
作者：
van der Veen, AMH [1 ]
机构：
[1] Nederlands Meetinst, NL-2628 VK Delft, Netherlands
来源：
ACCREDITATION AND QUALITY ASSURANCE | 2001年 / 6卷 / 4-5期
关键词：
proficiency testing; measurement uncertainty; reference value; consensus value; assessment of laboratories;
D O I：
10.1007/PL00013512
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
The evaluation of measurement uncertainty, and that of uncertainty statements of participating laboratories will be a challenge to be met in the coming years. The publication of ISO 17025 has led to the situation that testing laboratories should, to a certain extent, meet the same requirements regarding measurement uncertainty and traceability. As a consequence, proficiency test organizers should deal with the issues measurement uncertainty and traceability as well. Two common statistical models used in proficiency testing are revisited to explore the options to include the evaluation of the measurement uncertainty of the PTRV (proficiency test reference value). Furthermore, the use of this PTRV and its uncertainty estimate for assessing the uncertainty statements of the participants for the two models will be discussed. It is concluded that in analogy to Key Comparisons it is feasible to implement proficiency tests in such a way, that the new requirements can be met.
引用
收藏
页码：160 / 163
页数：4
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