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能力验证是实验室管理和质量控制的重要组成部分,其中样品均匀性和稳定性检验是能力验证中重要且不可或缺的工作.本文着重讨论了能力验证工作中样品均匀性检验和稳定性检验的评价方法,以及能力验证结果的统计和评价方法,并介绍了能力验证计划的组织机构在能力验证评价时采用的依从原则.同时简述了Excel应用于能力验证统计的使用方法,为保证能力验证有效实施奠定基础.“,”Proficiency testing is an important part of laboratory management and quality control,and among which the homogeneity and stability of samples is important and indispensable.In this paper,the method of evaluating the homogeneity and stability of samples is discussed,and statistical and evaluation methods for proficiency testing results are described.Moreover the method of applying Excel to proficiency testing is analyzed.This lay the foundations for ensureing effective implementation of proficiency testing.