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2014•Modern Agricultural Science and TechnologyRequires access

Determination of 9 Organophosphorus Pesticides Residue in Strawberry by Gas Chromatography

Xie Shui-qin

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Abstract

A method for determination of 9 organophosphorus pesticides residue(including methamidophos,acephate,sulfotep,omethoate,malathion,fenitrothion,parathion,profenofos and triazophos)in strawberry by gas chromatography was investigated.The nine pesticides could be well separated within 17 min in a DB-1701 P column after extacting with acetonitrile.The pesticides were detected with FPD detector.As a spiked level was0.4 mg/kg,the recovery of the method for the pesticides were 83.2%~102.8%,the correlation coefficient ranged from 0.992 51 to 0.999 92,the detection limits were 0.01~0.04 mg/kg.The method is quick,sensitive and easy in operation.

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What this paper is about

A method for determination of 9 organophosphorus pesticides residue(including methamidophos,acephate,sulfotep,omethoate,malathion,fenitrothion,parathion,profenofos and triazophos)in strawberry by gas chromatography was investigated.The nine pesticides could be well separated within 17 min in a DB-1701 P column after extacting with acetonitrile.The pesticides were detected with FPD detector.As a spiked level was0.4 mg/kg,the recovery of the method for the pesticides were 83.2%~102.8%,the correlation coefficient ranged from 0.992 51 to 0.999 92,the detection limits were 0.01~0.04 mg/kg.The method is quick,sensitive and easy in operation.

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Available abstract

A method for determination of 9 organophosphorus pesticides residue(including methamidophos,acephate,sulfotep,omethoate,malathion,fenitrothion,parathion,profenofos and triazophos)in strawberry by gas chromatography was investigated.The nine pesticides could be well separated within 17 min in a DB-1701 P column after extacting with acetonitrile.The pesticides were detected with FPD detector.As a spiked level was0.4 mg/kg,the recovery of the method for the pesticides were 83.2%~102.8%,the correlation coefficient ranged from 0.992 51 to 0.999 92,the detection limits were 0.01~0.04 mg/kg.The method is quick,sensitive and easy in operation.

Key concepts: Methamidophos, Omethoate, Chromatography, Chemistry, Pesticide, Acephate, Malathion, Parathion

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