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海水中6種均三氮苯類除草劑同步檢測方法建立
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欒晶華(1978-),工程師,研究方向為食品安全及環境安全檢測,E-mail:24332159@qq.com

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The Method Establishment of Synchronous Detection of Six Triazine Herbicide Residues in Seawater using LC-MS/MS
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    摘要:

    本研究建立了海水中莠去津、莠滅凈、西瑪津、撲草凈、氰草津和異戊乙凈6種均三氮苯類除草劑農藥殘留的液相色譜-串聯質譜(LC-MS/MS)同步檢測方法。使用乙腈提取海水中均三氮苯類農藥,采用新型納米材料制作的SPE小柱對提取液進行凈化,利用液相色譜-串聯質譜法進行分析,外標法定量。結果顯示,6種均三氮苯類除草劑在0.20、1.00和20.00 μg/L水平下的平均添加回收率為65.40%~97.40%,相對標準偏差為0.89%~5.86%,方法定量限(靈敏度)為0.03~0.05 μg/L。本研究建立的方法可用于海水中6種均三氮苯類除草劑的同步檢測,具有快速便捷、準確可靠的優點。[中國漁業質量與標準,2023, 13(3):26-34]

    Abstract:

    A liquid chromatography tandem mass spectrometry (LC-MS/MS) method was established to synchronous detect six triazine herbicide residues in seawater, including atrazine, ametryn, simazine, prometryn, cyanazine and dimethametryn. The triazine pesticides in seawater were firstly extracted with acetonitrile, and the extraction solution were purified with SPE small column made with new nano materials. Then LC-MS/MS and external standard method were used to analyze and measure these six triazine pesticides. The results showed that the average recovery rates of these six herbicides were in the ranged of 65.40%–97.40% when the concentrations of these six triazine pesticides were 0.20 and 1.00 and 20.00 μg/L, respectively, with the relative standard deviation of 0.89%–5.86% and the detection limit (sensitivity) of 0.03–0.05 μg/L. This synchronous detection method could be applied for the determination of these six triazine herbicides in seawater, with the rapid, convenient, accurate and reliable advantages. [Chinese Fishery Quality and Standards, 2023, 13(3): 26-34]

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欒晶華,戴春陽,于海龍,等.海水中6種均三氮苯類除草劑同步檢測方法建立[J].中國漁業質量與標準,2023,13(3):26-34. LUAN Jinghua, DAI Chunyang, YU Hailong, et al. The Method Establishment of Synchronous Detection of Six Triazine Herbicide Residues in Seawater using LC-MS/MS[J]. Chinese Fishery Quality and Standards,2023,13(3):26-34.

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  • 收稿日期:2022-04-12
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  • 錄用日期:2022-09-22
  • 在線發布日期: 2023-08-02
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