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2014•Journal of Dairy Science and TechnologyRequires access

Determination of 15 Organochlorine Pesticides in Milk by Gas Chromatography

Liu Li

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Abstract

A method for the determination of organochlorine pesticides in milk by gas chromatography(GC) was developed.Extraction of organochlorine pesticides in samples was performed with acetone and petroleum ether.The extract was separated on capillary column RTX-1701,detected with an electron capture detector(ECD) and quantified by external standard method.The method had good accuracy and precision.The average recovery of organochlorine pesticides in spiked milk was 60.6%-101.8%,with relative standard deviations of 4.3%-10.8%.The detection limits of organochlorine pesticides was 0.002 0-0.009 5 mg/kg.

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What this paper is about

A method for the determination of organochlorine pesticides in milk by gas chromatography(GC) was developed.Extraction of organochlorine pesticides in samples was performed with acetone and petroleum ether.The extract was separated on capillary column RTX-1701,detected with an electron capture detector(ECD) and quantified by external standard method.The method had good accuracy and precision.The average recovery of organochlorine pesticides in spiked milk was 60.6%-101.8%,with relative standard deviations of 4.3%-10.8%.The detection limits of organochlorine pesticides was 0.002 0-0.009 5 mg/kg.

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Available abstract

A method for the determination of organochlorine pesticides in milk by gas chromatography(GC) was developed.Extraction of organochlorine pesticides in samples was performed with acetone and petroleum ether.The extract was separated on capillary column RTX-1701,detected with an electron capture detector(ECD) and quantified by external standard method.The method had good accuracy and precision.The average recovery of organochlorine pesticides in spiked milk was 60.6%-101.8%,with relative standard deviations of 4.3%-10.8%.The detection limits of organochlorine pesticides was 0.002 0-0.009 5 mg/kg.

Key concepts: Electron capture detector, Organochlorine pesticide, Gas chromatography, Pesticide, Chemistry, Chromatography, Petroleum ether, Acetone

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