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基于QuEChERS前处理方法的高效液相色谱法测定芒果中吡效隆残留量

文献类型: 中文期刊

作者: 汤雷雷 1 ; 郭利军 2 ; 谢艳丽 3 ; 范鸿雁 2 ; 华敏 2 ;

作者机构: 1.海南省现代农业检验检测预警防控中心/海南省农产品质量安全中心/海南省绿色食品发展中心

2.海南省农业科学院热带果树研究所/海南省热带果树生物学重点实验室/农业部海口热带果树科学观测试验站

3.海南大学分析测试中心

关键词: QuEChERS;高效液相色谱;芒果;吡效隆

期刊名称: 中国热带农业

ISSN: 1673-0658

年卷期: 2016 年 06 期

页码: 57-60

摘要: 建立了基于QuEChERS前处理方法的反相高效液相色谱法测定芒果中吡效隆残留量的检测方法。芒果经1%的乙酸-乙腈溶液提取、PSA和石墨化炭黑净化后,以1∶1的乙腈∶1%乙酸水溶液为流动相,采用Waters X-bridge C18色谱柱分离,UV255nm检测,外标法定量。结果表明,方法的平均回收率为92.3%~98.3%,变异系数为2.9%~5.9%,检出限为0.0005mg/kg。该方法已成功应用于市场随机抽取的芒果样品中吡效隆残留量的测定。方法快速、简便、准确,灵敏度高、选择性好,适合批量测定芒果中吡效隆的残留量。

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