Determination of Pyrethroids in<i> Paris polyphylla</i> Sample by High-Performance Liquid Chromatography Using Ultrasound-Assisted Magnetic Solid-Phase Extraction

<p>HPLC chromatograms of (a) the blank<i> Paris polyphylla</i> sample after MSPE (b) and the<i> Paris polyphylla</i> sample spiked with 50 ng g<sup>−1</sup> of each pyrethroid, (1) fenpropathrin, (2) fenvalerate, (3) deltamethrin, (4) bifenthrin, after MSPE.</p>

International Journal of Analytical Chemistry

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Figure 8

Figure 8: Determination of Pyrethroids in<i> Paris polyphylla</i> Sample by High-Performance Liquid Chromatography Using Ultrasound-Assisted Magnetic Solid-Phase Extraction 

Figure 8 | Determination of Pyrethroids in Paris polyphylla Sample by High-Performance Liquid Chromatography Using Ultrasound-Assisted Magnetic Solid-Phase Extraction 