QuEChERS-气相色谱—三重四极杆质谱法同时测定黑茶中10种酰胺类除草剂残留
CSTR:
作者:
作者单位:

(1. 湖南省食品质量监督检验研究院,湖南 长沙 410017;2. 食品安全监测与预警湖南省重点实验室,湖南 长沙 410017)

作者简介:

易守福,男,湖南省食品质量监督检验研究院工程师,硕士。

通讯作者:

廖燕芝(1978—),女,湖南省食品质量监督检验研究院正高级工程师,硕士。E-mail:xtulyz@126.com

中图分类号:

基金项目:

湖南省科技创新计划重点研发项目(编号:2018NK2034)


Simultaneous determination of 10 kinds of amide herbicide residues in dark tea by QuEChERS with Gas Chromatography-Triple Quadrupole Mass Spectrometry
Author:
Affiliation:

(1. Hunan Institute of Food Quality Supervision Inspection and Research, Changsha, Hunan 410017, China; 2. Hunan Provincial Key Laboratory of Food Safety Monitoring and Early Warning, Changsha, Hunan 410017, China)

Fund Project:

  • 摘要
  • |
  • 图/表
  • |
  • 访问统计
  • |
  • 参考文献
  • |
  • 相似文献
  • |
  • 引证文献
  • |
  • 资源附件
  • |
  • 文章评论
    摘要:

    目的:建立QuEChERS前处理净化技术结合气相色谱—三重四极杆质谱法(GC-MS/MS)同时测定黑茶中10种酰胺类除草剂的检测方法。方法:样品经乙腈提取后,经QuEChERS净化,以TG-5 SIL MS色谱柱(30 m×0.25 mm×0.25 μm)分离,采用多反应监测(MRM)模式对酰胺类除草剂进行分析,基质匹配外标法定量。结果:10种酰胺类除草剂在质量浓度0.001~0.500 mg/L内线性关系良好,相关系数(R2)>0.999;检出限和定量限分别为0.001~0.002,0.002~0.008 mg/kg;平均回收率为80.3%~103.2%,相对标准偏差为0.9%~7.3%(n=6)。结论:该方法适用于黑茶中酰胺类除草剂的快速检测分析。

    Abstract:

    Objective: A method for simultaneous determination of 10 amide herbicide residues in dark tea was developed by QuEChERS method coupled with gas chromatography-triple quadrupole mass spectrometry (GC-MS/MS). Methods: After being extracted by acetonitrile and purified by QuChERS, the samples were separated by TG-5 SIL MS column (30 m×0.25 mm×0.25 μm), then detected bymultiple reaction monitoring mode (MRM). Blank matrix matching standard curve was used in quantitative analysis. Results: The calibration curves had a good liner relationship in the range of 0.001~0.500 mg/L with the correlation coefficients greater than 0.999. The limits of detection (LODs) and limits of quantitation (LQDs) of the method were in the range 0.001~0.002 mg/kg and 0.002~0.008 mg/kg, respectively. The average recoveries were 80.3%~103.2%, and the relative standard deviations were between 0.9% and 7.3%. Conclusion: The method can be applied to the simultaneous detection of amide herbicides in dark tea.

    参考文献
    相似文献
    引证文献
引用本文

易守福,梁锋,何青科,等. QuEChERS-气相色谱—三重四极杆质谱法同时测定黑茶中10种酰胺类除草剂残留[J].食品与机械,2021,37(8):57-62.
YIShoufu, LIANGFeng, HEQingke, et al. Simultaneous determination of 10 kinds of amide herbicide residues in dark tea by QuEChERS with Gas Chromatography-Triple Quadrupole Mass Spectrometry[J]. Food & Machinery,2021,37(8):57-62.

复制
相关视频

分享
文章指标
  • 点击次数:
  • 下载次数:
  • HTML阅读次数:
  • 引用次数:
历史
  • 收稿日期:2021-03-22
  • 最后修改日期:
  • 录用日期:
  • 在线发布日期: 2023-02-15
  • 出版日期:
文章二维码
×
《食品与机械》
友情提示
友情提示 一、 近日有不少作者反应我刊官网无法打开,是因为我刊网站正在升级,旧网站仍在百度搜索排名前列。请认准《食品与机械》唯一官方网址:http://www.ifoodmm.com/spyjx/home 唯一官方邮箱:foodmm@ifoodmm.com; 联系电话:0731-85258200,希望广大读者和作者仔细甄别。