Research Article

Rapid Screening of 352 Pesticide Residues in Chrysanthemum Flower by Gas Chromatography Coupled to Quadrupole-Orbitrap Mass Spectrometry with Sin-QuEChERS Nanocolumn Extraction

Figure 2

Total ion current chromatograms of the spiked (10 μg ·kg−1) chrysanthemum flower samples cleaned up by different purification conditions. (a) QuEChERS purification (simple matrix), (b) QuEChERS purification (complex matrix), and (c) Sin-QuChERS Nano column.
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