标准物质系指具有一种或多种足够均匀和很好确定了的特性值,用以校正设备,评价测量方法和给材料赋值的材料和物质[1]。标准物质的正确使用和规范管理对保证分析结果的准确性、溯源性有着重要的意义。ISO/IEC 17025:2005《检测和校准实验室能力的通用要求》和CNAS/CL01:2006《检 Reference material refers to materials and substances that have one or more characteristic values ​​that are sufficiently uniform and well-defined, used to calibrate equipment, evaluate measurement methods, and assign values ​​to materials [1]. The correct use of standard materials and standardized management to ensure the accuracy of the analysis results, traceability is of great significance. ISO / IEC 17025: 2005 “Testing and Calibration Laboratory Capabilities General Requirements” and CNAS / CL01: 2006 "Test