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高效液相色谱-串联质谱法在农药检测中的应用

Factors affecting the drawing of standard curves by high performance liquid chromatography tandem mass spectrometry and their correction
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摘要 用GB 23200.121—2021《食品安全国家标准植物源性食品中331种农药及其代谢物残留量的测定液相色谱-质谱联用法》中方法,绘制标准工作曲线,得到的部分农药相关系数R值达不到0.995。通过实验发现,选择合适的浓度点、正确的离子对和电压值可以使标准工作曲线的相关系数R值达到0.9999或更高。 In GB 23200.121-2021"National food safety standard determination of 33l pesticides and metabolites residues in foods of plant origin liquid chromatography-tandem mass spectrometry method",a standard working curve is plotted,and the correlation coefficient R value of some pesticides does not reach 0.995.Through experiments,it was found that selecting appropriate concentration points,correct ion pairs,and voltage values can achieve a correlation coefficient R value of 0.9999 or higher for the standard working curve.
作者 刘小丽 李青 张艳丽 LIU Xiaoli;LI Qing;ZHANG Yanli(Hebi Product Quality Inspection and Testing Center,Hebi Henan,458030,China;Jiaozuo Product Quality Inspection and Testing Center)
机构地区 鹤壁市产品质量检验检测中心 焦作市产品质量检验检测中心
出处 《质量安全与检验检测》 2024年第6期30-33,共4页 QUALITY SAFETY INSPECTION AND TESTING
基金 河南省市场监督管理局科技项目(HNSCJGK202439)。
关键词 液质联用仪标准工作曲线离子对 响应值 基质效应 LC-MS standard curve ion pair Response value Matrix effect
分类号 O657.72 [理学—分析化学] F767.2 [经济管理—产业经济]
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质量安全与检验检测
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