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

Table 2

Chemical substances with high detection rate detected in chrysanthemum samples.

Number	Pesticides	Number of detected samples	Detection rate	Value range (μg/kg)
1	Profenofos	50	31.5	0.12–40.8
2	Procymidone	18	14.5	0.10–177.9
3	Metalaxyl	36	24.5	0.29–108.9
4	Chlorfenapyr	48	26.0	0.25–35.7
5	Difenoconazole	39	19.5	0.27–40.5
6	Dimethomorph	33	16.5	0.18–280.4
7	Cypermethrin	42	21.0	6.2–199.6
8	Tebuconazol	29	14.5	0.45–76.8
9	Propiconazol	36	18.5	0.15–49.5
10	Pyrimethanil	44	22.0	1.2–110.4