Determination of Trichlorfon and Dichlorvos Residues in Aquatic Products by Liquid Chromatography-Tandem Mass Spectrometry

Dong Mei Huang; You Qiong Cai; Hui Juan Yu; Yong Fu Shi; Xuan Yun Huang

doi:10.4028/www.scientific.net/AMR.554-556.1943

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 554-556Determination of Trichlorfon and Dichlorvos...

Determination of Trichlorfon and Dichlorvos Residues in Aquatic Products by Liquid Chromatography-Tandem Mass Spectrometry

Abstract:

We developed a approach to determine residues of trichlorfon and dichlorvos in aquatic products by liquid chromatography-tandem mass spectrometry(LC-MS/MS).In our method,samples were extracted with dichloromethane.The extraction was dehydrated by anhydrous sulfate column and then concentrated.The concentrated liquid was dissolved by acetonitrile solution and defatted with n-hexane.The lower solution was determined by LC-MS/MS with ESI,using positive ion multiple reaction monitoring mode. With external standard method,the average recoveries of trichlorfon were 81.6%-90.4 %. The average recoreries of dichlorvos were 97.0%-102.6 % The relative standard of dichlorvos were all below 10.2 %. The limits of quantification were 2.5μg/kg.The method has great potential for routine analysis of monitoring trichlorfon and dichlorvos residues in aquatic products. It is to develop a simple, high-sensitivity detection method of trichlorfon and dichlorvos for food safety.

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Periodical:

Advanced Materials Research (Volumes 554-556)

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1943-1946

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https://doi.org/10.4028/www.scientific.net/AMR.554-556.1943

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Online since:

July 2012

Authors:

Dong Mei Huang, You Qiong Cai, Hui Juan Yu, Yong Fu Shi, Xuan Yun Huang

Keywords:

Aquatic Products, Food Safety, Liquid Chromatography- Tandem Mass Spectrometry, Trichlorfon and Dichlorvos Residues

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