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Pesticide multiresidue screen methods for determination of organochlorine pesticides in vegetable and fruits

AbstractAn all automated solid phase extra instrument (EXTRA) and GC-ECD method was established for the determination of organochlorine pesticides multiresidues in vegetable and fruits. Samples were extracted using acetonitrile and cleaned up on a all automatic SPE instrument (EXTRA), followed by determination of the multiresidues by GC-ECD. The recoveries and the RSDs were both meet the requirements. The method was proved to be good reproducibility, high sensitivity, rapid, reliable and suitable for the determination of organochlorine pesticides multiresidues.

keywordorganochlorine pesticides, SPE, EXTRA,GC-ECD, α-BHC、β-BHC、γ-BHC、δ-BHC

Conclusion

The work shown here provides a sensitive and rapid GC-ECD method with all automated solid phase extra instrument (EXTRA) for determination of Organochlorine(OC) pesticides in vegetable and fruits. The method was proved to be good reproducibility, reliable, the recoveries and the RSDs were both meet the requirements. Therefore, this method is suitable for determination of large quantities of samples, and work well for screening the vegetable and fruits sold in the market.


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