2010•Henan Journal of Preventive MedicineRequires access

Determination of Atrazine and Acetochlor in Clycine max by Gas Chromatography-Mass Spectrometry

Wang Jia-ba

Abstract

Objective To establish the Gas Chromatography-Mass Spectrometry method for the determination of Atrazine and Acetochlor in Clycine max.Method The analytes were extracted by ethyl acetate,purified by Florisil and detected by Gas Chromatography-Mass Spectrometry.Results The average recoveries for the analysis of Atrazine and Acetochlor were in the range of 76.92 %～96.24 % and 79.95 %～90.06 %.The relative standard deviations(RSDs) of Atrazine and Acetochlor were 6.54 % and 3.91 %(n=6),respectively.Conclusion Good linearities were obtained in the concenttration ranging from 0.02～1.0 mg/L for Atrazine and Acetochlor.The limits of detection were 0.010mg/kg for Atrazine and Acetochlor.

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Key concepts: Acetochlor, Atrazine, Chemistry, Chromatography, Mass spectrometry, Gas chromatography, Gas chromatography–mass spectrometry, Detection limit