Determination of Six Neonicotinoid Insecticides in Poultry Eggs Using UPLC-MS/MS
The aim of this study was to establish an ultra-high performance liquid chromatography-tandem mass spectrometry(HPLC-MS/MS)method for simultaneous determination of 6 neonicotinoid insecticides residues in poultry eggs.The results showed that the six analyte showed a good linear relationship(R2＞0.995)in the concentration range.The limits of detection(LOD)and limits of quantitation(LOQ)of the method were 0.3～5 μg·kg-1 and 1～10 μg·kg-1.The average recovery rate(RSD)was 78.3%～105.3%,and the relative standard deviation was 3.1%～9.5%.The results showed that the established method was convenient,accurate and stable,and could be used for quantitative analysis of six neonicotinoid pesticide residues in poultry eggs.
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