International Journal of Analytical Chemistry / 2020 / Article / Fig 2

Research Article

Determination of the Novel Insecticide Flupyradifurone and Its Two Metabolites in Traditional Chinese Herbal Medicines Using Modified QuEChERS and High-Performance Liquid Chromatography-Tandem Mass Spectrometry

Figure 2

HPLC-MS/MS chromatograms of DFA (1.0 mg/L), 6-CNA (1.0 mg/L) and flupyradifurone (0.1 mg/L) on C18 column and the same elution procedure under different mobile phase conditions. ((a) 5 mmol ammonium acetate aqueous solution/acetonitrile, (b) 0.1% formic acid and 5 mmol ammonium acetate aqueous solution/acetonitrile, (c) 0.1% formic acid aqueous solution/acetonitrile, (d) water/acetonitrile).
(a)
(b)
(c)
(d)

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