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目的:通过对TECAN加样器检定结果不确定度的评定,初步探讨血站实验室对测量不确定度的评定方法。方法:依据中国合格评定国家认可委员会(CNAS)《测量不确定度要求的实施指南》及JJF1059-1999《测量不确定度评定与表示》等其他不确定度指南文件,采用A、B类评定方法对加样器加样量10μl测量不确定度进行评定。结果:加样器加样量10μl时扩展不确定度为U=(10±0.16)μl(K取2,置信区间95%)。结论:本实验所使用的方法可以对TECAN检定结果测量不确定度进行评定。
OBJECTIVE: To assess the uncertainty of test results by TECAN sampler, and to discuss the method of assessing the uncertainty of measurement in blood laboratory. Methods: Based on CNAS Guidelines for Implementation of Measurement Uncertainty Requirements and JJF 1059-1999 Guidelines for Evaluation and Expression of Measurement Uncertainty and other uncertainties, A and B assessment methods The sampler plus sample volume 10μl measurement uncertainty assessment. Results: The uncertainty of expansion was 10 μL (10 ± 0.16) μL (K = 2, 95% confidence interval). Conclusion: The method used in this experiment can assess the measurement uncertainty of TECAN test results.