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 4
Mass spectrum of profenofos in the standard (a) and chrysanthemum flower positive samples (b).
(a) |
(b) |