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Determination of 208 pesticide residues and their metabolites in foods using Oasis PRiME HLB and Xevo TQ-GC

Posted: 10 December 2018 | | No comments yet

Gas chromatography-mass spectrometry (GC-MS) has been a common analytical method for pesticide measurement due to its high efficiency of separation, along with its qualitative and quantitative performance.

As a milestone of pesticides analysis, Lehotay1 and Nguyen, et al.2 established a sample preparation method based on QuEChERS technology in 2015 for the simultaneous detection of multiple pesticide residues in vegetables and other foods using LC-MS/MS and GC-MS/MS. In recent years GC-MS/MS analysis has become the preferred method for pesticides analysis due to its advantages in selectivity, sensitivity, high throughput, and accurate quantitative performance.3

Recently, the first Chinese National Standard Method (GB 23200.113-2018)4 for multiple pesticide residues using GC-MS/MS was released. For the first time in GB methodology, two efficient technologies have been adopted: QuEChERS for sample extraction, and GC-MS/MS for detection.

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