Research Article

Method Validation and Measurement Uncertainty Estimation for Determination of Multiclass Pesticide Residues in Tomato by Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)

Figure 2

Extracted ion chromatogram (EIC) of the tomato blank sample spiked at 5 μg/kg (vial concentration 1.25 ppb for each pesticide, except carbaryl) and on column mass of 3.75 picogram of each pesticide. Each peak comprises two MRM transitions (precursor to product ion 1 and precursor to product ion 2) monitored for a pesticide.