PD CEN/TR 10350-2013
钢铁材料化学分析.使用标准物质检查一种分析方法精确度的内部实验室程序
Analysis of steels and irons - Internal laboratory procedure for checking the accuracy of an analytical method by using Certified Reference Materials
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- 标准号
- PD CEN/TR 10350-2013
- 发布日期
- 2013年02月01日
- 实施日期
- 2013年02月01日
- 废止日期
- 无
- 中国标准分类号
- H11
- 国际标准分类号
- 77.040.30
- 发布单位
- 欧洲标准化委员会
- 适用范围
- The present statistical procedure describes how to check results for absence of bias by comparison of these analytical results with those obtained during the certification of CRMs. If the resulting data confirm the absence of bias, the method may be considered accurate when applied to all steels and irons whose composition ranges are adequately covered or bounded by the CRMs used. The resulting data give also an estimate of the repeatability and/or the intermediate precision ("intralaboratory reproducibility") for the CRMs used. The comparison of these analytical data with the repeatability data obtained during the certification may also be performed depending on the strict purpose of the method under consideration. For the purpose of this Technical Report, the use of existing CRMs is essential for the assessment of the trueness, but it may be only indicative for the other statistical data.