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Rapid Analysis of Multiresidual Pesticides in Agricultural Products by Gas Chromatography-mass Spectrometry

✍ Scribed by Libin Liu; Hashi Yuki; Yaping Qin; Haixia Zhou; Jinming Lin

Publisher
Elsevier Science
Year
2006
Tongue
Chinese
Weight
372 KB
Volume
34
Category
Article
ISSN
1872-2040

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✦ Synopsis

A method for the rapid analysis of multiresidual pesticides in agricultural products using gas chromatography-mass spectrometry (GC/MS) was introduced. The matrix solid-phase dispersion (MSPD) technique with slight modification was employed to minimize the matrix interferences. To calculate the recovery, 97 target pesticides were spiked into a range of foods including potato, cabbage, carrot, apple, orange, cucumber, and rice. The combination of the MSPD technique and the GC/MS for the analysis of 97 pesticides can be accomplished within 90 min for each sample. Most pesticides were recovered in the range of 70%-120% with relative standard deviation (RSD) usually less than 10%. The results demonstrated that the method could be successfully applied to a broad range of target pesticides in a diverse range of foods.

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