Development of a Quantitative Screening Method for 100 Pesticides in Plant-Derived Foods Using Comprehensive Two-Dimensional Gas Chromatography Time-of-Flight Mass Spectrometry
Kuan Wang,
Bin Jiao,
Marit Almvik
et al.
Abstract:This study applied comprehensive two-dimensional gas chromatography time-of-flight mass spectrometry (GC × GC-TOF-MS) for the analysis of 100 pesticides (77 organophosphorus and 23 organochlorines) in six typical plant matrices with high protein, starch, acid, or oil content. Different sorbents were evaluated in the clean-up step of the QuEChERS method, and optimized sorbent combinations were obtained for each individual matrix. Good linearity of the calibration curves of matrix-matched was obtained (R 2 ≥ 0.9… Show more
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