ASTM D6796在国际实验室中煤,焦炭和煤燃烧样品生产的标准规范
日期:2012-02-08 10:09
on is necessary to provide guidance to the user as to the reliability of measurements that can be expected by its use. The statements are developed on the basis of user experience (ordinarily through interlaboratory studies) with the test method.
The availability of appropriate samples is a key requirement for interlaboratory studies.
The homogeneity of the sample produced for interlaboratory studies must be small enough so that the variance caused by the sample is small compared to the variance
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