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PRiME HLB固相萃取柱结合气相色谱-串联质谱法快速测定茶叶中200种农药残留 被引量:11

Rapid determination of 200 kinds of pesticide residues in tea by PRiME HLB solid phase extraction column combined with gas chromatography-tandem mass spectrometry
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摘要 目的建立PRiMEHLB固相萃取柱结合气相色谱-串联质谱法(gas chromatography-tandem mass spectrometry,GC-MS/MS)快速测定茶叶中200种农药残留量的分析方法。方法样品用乙腈提取,经PRiME HLB通过式固相萃取柱净化,残留量采用气相色谱-串联质谱法进行检测。结果200种农药在各自质量浓度范围内均呈现良好线性关系,相关系数(r^(2))均大于等于0.995,方法定量限在0.01~0.05mg/kg之间。在阴性茶叶中加入低、中、高3个添加水平,平均加标回收率及相对标准偏差分别为70.0%~129.2%、1.0%~23.7%。结论该方法操作便捷、快速、准确性强,适合于茶叶中农药多残留高通量的筛查。 Objective To establish a method for the rapid determination of 200 kinds of pesticide residues in tea by PRiME HLB solid phase extraction column combined with gas chromatography-tandem mass spectrometry(GC-MS/MS).Methods The sample was extracted with acetonitrile,purified by PRi ME HLB solid phase extraction column,and the residues were detected by gas chromatography-tandem mass spectrometry.Results Two hundred kinds of pesticides showed good linear relationships in their respective mass concentration range,the correlation coefficients(r^(2))were greater than or equal to 0.995,and the limits of quantification of the method were 0.01-0.05 mg/kg.Adding low,medium and high addition levels to negative tea,The average recoveries and relative standard deviations were 70.0%-129.2%and 1.0%-23.7%respectively.Conclusion This method is easy to operate,rapid and has strong accuracy,which is suitable for high-throughput screening of pesticide multi-residues in tea.
作者 武源 覃慧丽 黄婞焱 韦维 WU Yuan;QIN Hui-Li;HUANG Xing-Yan;WEI Wei(Liuzhou Quality Inspection and Testing Research Center,Liuzhou 545000,China)
出处 《食品安全质量检测学报》 CAS 北大核心 2022年第2期650-656,共7页 Journal of Food Safety and Quality
关键词 QUECHERS PRiME HLB 气相色谱-串联质谱法 茶叶 农药残留 高通量筛查 QuEChERS PRiME HLB gas chromatography-tandem mass spectrometry tea pesticide residues high-throughput screening
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