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2010•Chinese Journal of Health Laboratory TechnologyRequires access

Determination of 6pyrethroids pesticides in fruits and vegetables by SPE/GC

Zhong Liang-kang

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Abstract

Objective:A method for the determination of 6 Pyrethroids pesticides in fruits and vegetables by SPE/GC.Methods: The samples were extracted by acetonitrile solution,after the extract was purified through florisil column.The collected solution was analyzed by using GC-ECD.Results: The limits of detection for the six kinds pyrethroids ranged from 0.0011 mg/kg～0.0035 mg/kg.The recoverieswith standard addition ranged from 83.6%～105.7%.Conclusion: The method is simple,effective purification and high recovery.It is suitable for the sample shape full of fruits and vegetables.

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What this paper is about

Objective:A method for the determination of 6 Pyrethroids pesticides in fruits and vegetables by SPE/GC.Methods: The samples were extracted by acetonitrile solution,after the extract was purified through florisil column.The collected solution was analyzed by using GC-ECD.Results: The limits of detection for the six kinds pyrethroids ranged from 0.0011 mg/kg～0.0035 mg/kg.The recoverieswith standard addition ranged from 83.6%～105.7%.Conclusion: The method is simple,effective purification and high recovery.It is suitable for the sample shape full of fruits and vegetables.

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Available abstract

Objective:A method for the determination of 6 Pyrethroids pesticides in fruits and vegetables by SPE/GC.Methods: The samples were extracted by acetonitrile solution,after the extract was purified through florisil column.The collected solution was analyzed by using GC-ECD.Results: The limits of detection for the six kinds pyrethroids ranged from 0.0011 mg/kg～0.0035 mg/kg.The recoverieswith standard addition ranged from 83.6%～105.7%.Conclusion: The method is simple,effective purification and high recovery.It is suitable for the sample shape full of fruits and vegetables.

Key concepts: Chromatography, Chemistry, Pesticide, Detection limit, Gas chromatography, Acetonitrile, Gas chromatography–mass spectrometry, Pesticide residue

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