| 超高效液相色谱-质谱串联法测定双孢菇中噻虫嗪及其代谢物噻虫胺残留量 |
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| 引用本文： | 朱卫芳,马琳,陈建波,赵莉,占绣萍.超高效液相色谱-质谱串联法测定双孢菇中噻虫嗪及其代谢物噻虫胺残留量[J].现代农药,2019(2):35-37,49. |
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| 作者姓名： | 朱卫芳 马琳 陈建波 赵莉 占绣萍 |
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| 作者单位： | 上海市青浦区食用农产品检测中心;上海市农业技术推广服务中心 |
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| 基金项目： | 双胞蘑菇生产中农药污染潜在风险评估和预警技术研究[沪农科攻字(2016)第5-2号] |
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| 摘 要： | 建立改进的QuEChERS提取净化方法和超高效液相色谱-串联质谱法测定双孢菇中噻虫嗪及其代谢物噻虫胺残留。样品经乙腈提取后,采用MgSO_4、PSA和C18吸附净化,UPLC-MS/MS检测。研究结果表明,噻虫嗪和噻虫胺质量浓度为0.005～0.5 mg/L,方法呈良好的线性关系,相关系数大于0.995。方法的检出限为0.1 ng,定量限为0.005 mg/kg。在添加质量分数为0.005、0.01、0.5mg/kg时,方法的平均回收率为85%～112%,相对标准偏差为0.5%～7.1%。该方法准确可靠,灵敏度和准确度均达到了农药残留检测的要求。
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| 关 键 词： | 噻虫嗪 噻虫胺 残留 QuEChERS法 超高效液相色谱-串联质谱法 测定 |
Determination of Thiamethoxam and Its Metabolite Clothianidin Residues in Agaricus bisporus by UPLC-MS/MS |
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| Zhu Wei-fang,Ma Lin,Chen Jian-bo,Zhao Li,Zhan Xiu-ping.Determination of Thiamethoxam and Its Metabolite Clothianidin Residues in Agaricus bisporus by UPLC-MS/MS[J].Modern Agrochemicals,2019(2):35-37,49. |
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| Authors: | Zhu Wei-fang Ma Lin Chen Jian-bo Zhao Li Zhan Xiu-ping |
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| Affiliation: | (Qingpu Edible Agricultural Products Testing Center,Shanghai 201799,China;Shanghai Agriculture Technology Extension & Service Centre,Shanghai 201103,China) |
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| Abstract: | Zhu Wei-fang;Ma Lin;Chen Jian-bo;Zhao Li;Zhan Xiu-ping(Qingpu Edible Agricultural Products Testing Center,Shanghai 201799,China;Shanghai Agriculture Technology Extension & Service Centre,Shanghai 201103,China) |
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| Keywords: | thiamethoxam clothianidin residue QuEChERS UPLC-MS/MS determination |
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