Rapid Determination of 21 Chinese Domestically Registered Pesticides in Ginseng Using Cleanup Based on Zirconium-Oxide-Modified Silica and Ultrahigh-Performance Liquid Chromatography-Tandem Mass Spectrometry

<div>Recoveries (<i>n</i> = 5) of 21 pesticides from samples cleaned up by different sorbents (sorbent 1, 50 mg PSA + 50 mg C<sub>18</sub>; sorbent 2, 50 mg PSA + 50 mg FLS; and sorbent 3, 50 mg PSA + 50 mg Z-Sep).</div>

Journal of Analytical Methods in Chemistry

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Figure 2: Rapid Determination of 21 Chinese Domestically Registered Pesticides in Ginseng Using Cleanup Based on Zirconium-Oxide-Modified Silica and Ultrahigh-Performance Liquid Chromatography-Tandem Mass Spectrometry 

Figure 2 | Rapid Determination of 21 Chinese Domestically Registered Pesticides in Ginseng Using Cleanup Based on Zirconium-Oxide-Modified Silica and Ultrahigh-Performance Liquid Chromatography-Tandem Mass Spectrometry 