食品工业2024,Vol.45Issue(11) :321-324.

固相萃取-气相色谱法测定蜂蜜中氟胺氰菊酯残留量

Determination of Fluvalinate Residues in Honey by Solid-Phase Extraction-Gas Chromatography Method

孙爱洁
食品工业2024,Vol.45Issue(11) :321-324.

固相萃取-气相色谱法测定蜂蜜中氟胺氰菊酯残留量

Determination of Fluvalinate Residues in Honey by Solid-Phase Extraction-Gas Chromatography Method

孙爱洁1
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作者信息

  • 1. 上海天祥质量技术服务有限公司(上海 200233)
  • 折叠

摘要

采用正己烷与二氯甲烷(1+1,V/V)混合溶液作为提取液,通过固相萃取-气相色谱-电子捕获法分析蜂蜜中氟胺氰菊酯残留.以有机溶剂提取蜂蜜中氟胺氰菊酯,以弗罗里硅土固相萃取柱净化,通过GC-ECD技术对目标化合物进行分析.采用外标法进行定量分析,线性范围为10~200 μg/L,线性相关系数大于0.995,方法检出限为2 μg/kg,符合国内外对于蜂蜜中氟胺氰菊酯残留的最大限量规定.当蜂蜜加标氟胺氰菊酯的浓度分别为5,10,50μg/kg时,方法精密度n=7,回收率在79.7%~94.6%之间,标准偏差在1.23%~2.58%之间.该方法简便、快速、灵敏、准确,适用于蜂蜜中氟胺氰菊酯残留分析.

Abstract

In this paper,a mixed solution of n-hexane and dichloromethane(1+1,V/V)was employed as the extraction solvent.The analysis of fluvalinate residues in honey was conducted utilizing a method involving solid-phase extraction coupled with gas chromatography and electron capture detection.The organic solvent facilitated the extraction of fluvalinate from honey,and subsequent purification was achieved through a solid-phase extraction column containing Florisil silica gel.The target compound was quantitatively analyzed using GC-ECD technology.The quantification process adhered to the external standard method,with a linear range spanning from 10 μg/L to 200 μg/L and a linear correlation coefficient exceeding 0.995.The detection limit of the method was 2 μg/kg,which met the maximum limit requirements for fluvalinate residues in honey at home and abroad.When the concentrations of fluvalinate added to honey were 5,10,50 μg/kg,respectively,the precision of the method was n=7,and the recovery rate was between 79.7%and 94.6%,with standard deviations ranging from 1.23%to 2.58%.This approach is characterized by its simplicity,rapidity,sensitivity,and accuracy,rendering it is suitable for the analysis of fluvalinate residues in honey.

关键词

固相萃取/气相色谱-电子捕获检测/氟胺氰菊酯残留量/测试

Key words

solid-phase extraction/gas chromatography-electron capture detection/fluvalinate residue/analytical methodology

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出版年

2024
食品工业
上海市食品工业研究所

食品工业

影响因子:0.47
ISSN:1004-471X
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