中空纤维萃取-飞行时间高分辨质谱检测猪肉中多种磺胺类药物的不确定度评定
首发时间:2020-05-09
摘要:对中空纤维萃取-飞行时间高分辨质谱检测猪肉中多种磺胺类药物的不确定度进行分析,建立数学模型,找出影响测量不确定度的各种因素,对各个不确定度分量进行评估和计算合成。以磺胺二甲嘧啶为例,给出了中空纤维萃取-飞行时间高分辨质谱法测定猪肉中多种磺胺类药物残留量的相对合成标准不确定度及扩展不确定度,测量不确定度的主要来源为标准曲线拟合。
关键词: 中空纤维萃取 飞行时间高分辨质谱 磺胺类 不确定度
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Evaluation of Uncertainty in The Determination of Sulfonamides in Pork by Hollow Fiber Extraction-Time of flight High Resolution Mass Spectrometry
Abstract:The uncertainty of determination of sulfonamides in pork by hollow fiber extraction-time-of-flight high-resolution mass spectrometry was analyzed, and the mathematical model was established to find out the factors affecting the uncertainty of measurement, and the uncertainty components were evaluated and calculated. Taking sulfamethazine as an example, the relative synthetic standard uncertainty and extended uncertainty of the determination of sulfadiazine residues in pork by hollow fiber extraction-time of flight high resolution mass spectrometry were given. The main source of the measurement uncertainty was standard curve fitting.
Keywords: Hollow Fiber Extraction Tme-of-flight High-resolution Mass Spectrometry Sulfonamides Uncertainty
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中空纤维萃取-飞行时间高分辨质谱检测猪肉中多种磺胺类药物的不确定度评定
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