Determination of Pesticide Residues in QuEChERS Extracts of Fruit Commodities using Xevo TQ-GC

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Jonathan Fox, Euan Ross, Lauren Mullin, and Adam Ladak
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In this application note we describe a multiresidue GC-MS/MS method for the determination of pesticide residues in fruit commodities, with extraction using the QuEChERS workflow. The Xevo TQ-GC System provided excellent, fit-for-purpose performance in terms of linearity and calibration range for both organic raisin and apple. The trueness and precision of the GC-MS/MS method determined at three QC levels was found to be acceptable with the representative compounds shown, giving %RSD <10%.

Overall the performance data indicate that the Xevo TQ-GC, when used in combination with an established extraction protocol such as QuEChERS, is suitable for checking MRL/tolerance compliance in routine laboratory testing.


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