Determination of pyrethroid pesticide residues in honey by gas chromatography
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    Abstract:

    Objective In order to fulfill the requirement of revising and adding more determination methods and indexes for pesticide residues in the Hygienic Standard for Honey,and to establish a method of detecting 10 pyrethroid pesticide residues simultaneously in honey by GC.Methods Through comparing the type of capillary columns,solvents and solid phase extract columns,it was decided to have the extraction with dichloromethane,cleaned-up with Florisl solid phase extract column,and separation with capillary column DB-17(0.25 mm×0.25 μm×20 m).The residues were quantified with GC-ECD and the area of peaks.Results The recoveries of fluvalinate residues were 77.3%-103.0%,the RSDs were 2.5%-7.5%,the detection limits were 0.000 5-0.005 mg/kg(as the quantity of sample was 5.00 g).Conclusion The method was easy to handle and separate each component,and suitable for the simultaneous analysis of 10 pyrethorid pesticide residues in honey.

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Lin Guobin, Ni Lei, Lin Shengqing. Determination of pyrethroid pesticide residues in honey by gas chromatography[J].中国食品卫生杂志,2012,24(2):116-119.

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