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刊物信息

期刊名称:药物分析杂志
主管单位:中国科学技术协会
主办单位:中国药学会
承办:中国食品药品检定研究院
主编:金少鸿
地址:北京天坛西里2号
邮政编码:100050
电话:010-67012819,67058427
电子邮箱:ywfx@nicpbp.org.cn
国际标准刊号:ISSN 0254-1793
国内统一刊号:CN 11-2224/R
邮发代号:2-237
 

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判断定量类理化分析方法满足预期用途的标准探讨

Discussion about the criteria of quantitative physicochemical analytical methods for satisfying their intended use

作者(英文):
分类号:R917
出版年·卷·期(页码):2019,39 (2):196-201
DOI: 10.16155/j.0254-1793.2017.01.01
-----摘要:-------------------------------------------------------------------------------------------

目的:探讨定量检测类理化方法满足其预期用途的判断标准。方法:采用六西格玛(6σ)理论和过程能力指数(CI)工具,衍生出评价方法的方法能力指数(MCI),并对理化方法在质量属性的不同限度标准下的最大变异进行计算。结果和讨论:(1)可以使用CI的理论对MCI进行全面有效的阐述,包括计算所需前提、方法分级依据、MCI与质量标准以及方法误判(不合格)发生概率的关系。(2)给出用于判断方法是否满足预期用途的最大变异值和方法建立初期最小MCI的选择,并阐述选择依据。(3)论述方法总变异不变的情况下,精密度和偏倚的变化关系图,为读者今后在进行定量理化分析类方法的验证时,快速判断所建方法是否满足其预期用途提供理论依据。

-----英文摘要:---------------------------------------------------------------------------------------

Objective: To explore the acceptance criteria for meeting intended uses on evaluating the physicochemical methods for quantitative detection of product components. Methods: Six Sigma (6σ) theory and tool of Process Capability Index(PCI) were used to derive the method capability index(MCI) which was used to calculate the maximum variability of this kind of methods under different acceptance limits of the testing attributes. Results and discussion: (1) The theory about PCI can be used to explain the MCI comprehensively and effectively, including the Prerequisites for calculation, the grading basis of the method, and the relationship among MCI, specification limits and the probability of method misjudgement (out-of -specification,OOS).(2) The method was given to determine the maximum variability of the method to satisfy the intended use (shown in Table 3 in the content) and the minimum MCI selection at the beginning of the establishment, and the basis of choice was elaborated. (3) The relationship between the precision and(relative) bias of the method was diagrammed when the total variation of the method was invariant. The tables,charts and discussions might provide theoretical basis for analysis and convenience for readers to quickly judge whether the proposed method satisfies intended use when confirming quantitative physicochemical analytical method in the future.

-----参考文献:---------------------------------------------------------------------------------------

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