Determination of Fluvalinate Residues in Honey by Solid-Phase Extraction-Gas Chromatography Method
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.
万方数据
维普
