液相色谱-串联质谱法测定番茄中多茵灵和啶虫脒的残留量
吴星祥;杨娟;李盛安;冯敏铃;李拥军
【期刊名称】《现代农业科技》 【年(卷),期】2012(000)005
【摘要】建立了番茄中多茵灵和啶虫脒的高效液相色谱-串联质谱(HPLC—MS/MS)测定方法。样品经乙腈提取后.用Sep-pakvac固相萃取柱净化,以乙腈和甲酸-乙酸铵缓冲溶液为流动相,梯度洗脱,采用HPLC-MS/MS电喷雾正离子(ESI+)电离,多反应监测(MRM)模式检测,基质匹配外标法定量。结果表明,多茵灵和啶虫脒在1-100ng/mL范围内均具有良好的线性关系,相关系数不低于0.9985,平均加标回收率为87.4%-96.8%,相对标准偏差为3.7%-6.9%。该方法具有简单、快速、灵敏度高和定性准确等优点,能够满足多茵灵和啶虫脒残留分析的要求。%A high performance liquid chromatography--tandem mass spectrophy(HPLC-MS/MS)was developed for determination of carbendazim and acetamiprid residues in tomato. The samples were extracted by acetonitrile,and purified by Sep-pak vac solid-phase extraction column. Acetonitrile and formic acid-ammonium acetate buffer were used as mobile phase by gradient elution. The analysis of target compounds was carried out by HPLC-MS/MS under positive electrospray ionization (ESI+)and multiple reaction monitoring (MRM)mode. A matrix matched external standard was used for quantitative analysis. The calibration curves were in good linearity between the peak area and the concentration of 1-100
ng,/mL for carbendazim and acetamiprid with correlation coefficients not less than 0.998 5. The average spiked recoveries ranged from 87,4% to 96.8% with relative standard deviations of 3.7%-6.9%. The proposed method was simple, rapid, sensetive and accurate,it could meet the requirements of residue analysis. 【总页数】3页(196-197,200)
【关键词】高效液相色谱-串联质谱;番茄;多菌灵;啶虫脒;残留量 【作者】吴星祥;杨娟;李盛安;冯敏铃;李拥军
【作者单位】广东省佛山市三水区农产品质量安全检测中心,广东佛山528100;广东省佛山市三水区农产品质量安全检测中心,广东佛山528100;中山市农产品质量监督检验所;中山市农产品质量监督检验所;中山市农产品质量监督检验所 【正文语种】中文
【中图分类】TQ450.26;S481.8 【文献来源】
https://www.zhangqiaokeyan.com/academic-journal-cn_modern-agricultural-science-technology_thesis/020121435033.html 【相关文献】
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