湖北农业科学 ›› 2020, Vol. 59 ›› Issue (10): 127-130.doi: 10.14088/j.cnki.issn0439-8114.2020.10.030

• 检测分析 • 上一篇    下一篇

GC-MS/MS测定葡萄中高效氯氟氰菊酯

陈婷, 续艳丽, 张新中, 吴福祥, 彭涛   

  1. 兰州市食品药品检验所,兰州 730050
  • 收稿日期:2019-10-15 出版日期:2020-05-25 发布日期:2020-08-03
  • 作者简介:陈 婷(1985-),女,甘肃武威人,硕士,工程师,研究方向为食品安全监测,(电话)18919888301(电子信箱)125731803@qq.com。
  • 基金资助:
    甘肃省市场监督管理局青年科技创新项目(2018GSFDA044);兰州市首席专家工作室基金项目(2019LZFDC009)

Determination of lambda-cyhalothrin in grape by GC-MS/MS

CHEN Ting, XU Yan-li, ZHANG Xin-zhong, WU Fu-xiang, PENG Tao   

  1. Lanzhou Institute for Food and Drug Control,Lanzhou 730050,China
  • Received:2019-10-15 Online:2020-05-25 Published:2020-08-03

摘要: 以GC-MS/MS测定葡萄中高效氯氟氰菊酯,乙腈提取样品后,采用QuEChERS盐析,氮吹至近干,正己烷涡旋溶解后经GC-MS/MS法检测。结果表明,高效氯氟氰菊酯在0~800 ng/mL浓度范围(样品含量0~1.0 μg/g)内,线性关系良好,相关系数(r)>0.995 0,高效氯氟氰菊酯的检出限为2.43 ng/g,回收率为87.3%~93.8%,同时选择QuEChERS Fatty sample净化包,氮吹后溶液体积为0.1 mL时,回收率达95.62%。

关键词: 气相色谱-串联质谱, 高效氯氟氰菊酯, 葡萄

Abstract: GC-MS/MS was used to determine lambda-cyhalothrin in grapes. After acetonitrile extraction, the samples were salted out with QuEChERS, nitrogen was blown to near dryness, and hexane was dissolved by vortexing and then detected by GC-MS/MS. The results showed that lambda-cyhalothrin had a good linear relationship in the concentration range of 0~800 ng/mL (sample content 0~1.0 μg/g), the correlation coefficient(r)>0.995 0, the detection of lambda-cyhalothrin The output limit was 2.43 ng/g, and the recovery rate was 87.3%~93.8%. The purification method and the volume of the solution after nitrogen improved the recovery rate of cyhalothrin. Select the QuEChERS Fatty sample purification kit. The recovery rate of the solution volume after nitrogen blowing was 0.1 mL, the recovery rate was 95.62%.

Key words: gas chromatography-tandem mass spectrometry, lambda-cyhalothrin, grape

中图分类号: