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目的:对采用液相色谱-串联质谱联用法测定川楝子中川楝素含量进行不确定度评估。方法:对川楝子中川楝素含量进行不确定度的分析与评定。结果:川楝素的扩展不确定度为0.003 6%,检测结果可表示为(0.090 8±0.003 6)%。结论:建立的不确定度评估方法可用于液相色谱-串联质谱联用法测定川楝子中川楝素含量的不确定度评估,测量不确定度评定方法的确立对于中药质量标准的研究具有重要意义。
Objective: To evaluate the uncertainty of Toosendanin content in Toosendan sinensis using liquid chromatography - tandem mass spectrometry. Methods: The uncertainty of toosendanin content in Toosendan sinensis was analyzed and evaluated. Results: The uncertainty of toosendanin was 0.003 6%. The test result can be expressed as (0.090 8 ± 0.003 6)%. Conclusion: The established uncertainty assessment method can be used to evaluate the uncertainty of toosendanin content in Toosendan sinensis by liquid chromatography-tandem mass spectrometry. The establishment of evaluation method for uncertainty of measurement is of great significance for the study of quality standard of Chinese medicine .