107CNAS-GLXXICSx中华人民共和国国家标准GB/T××××—××××代替GB/T15000.3-1994标准物质/标准样品工作导则（3）标准物质/标准样品定值的一般原则和统计方法指南Directivesfortheworkofreferencematerials（3）--Referencematerials——Generalandstatisticalprinciplesforcertification（ISOGuide35:2006,Referencematerials——Generalandstatisticalprinciplesforcertification,IDT）（报批稿）（本稿完成日期：2007.7.14）中国合格评定国家认可委员会二O一O年X月中华人民共和国国家质量监督检验检疫总局中国国家标准化管理委员会××××-××-××发布××××-××-××实施目次前言..................................................................................III引言...................................................................................IV1范围..................................................................................12规范性引用文件........................................................................13术语和定义............................................................................24符号..................................................................................35定值项目设计..........................................................................45.1总则................................................................................45.2项目定义............................................................................45.3运输................................................................................45.4原材料收集..........................................................................45.5可行性研究..........................................................................55.6要求的使用寿命和有效期..............................................................55.7样品制备............................................................................55.8均匀性研究..........................................................................65.9稳定性研究..........................................................................65.10测量方法选择.......................................................................75.11证书...............................................................................85.12项目设计小结.......................................................................86测量不确定度评估......................................................................86.1CRM/RM特性值不确定度评估基础.......................................................86.2批测定的基本模式....................................................................96.3不确定度来源.......................................................................106.4分布函数问题.......................................................................106.5比率的运用.........................................................................106.6包含因子选择.......................................................................106.7重新定值...........................................................................117均匀性研究...........................................................................117.1概述...............................................................................117.2材料...............................................................................117.3均匀性的概念.......................................................................117.4实际应用.............................................
