Separation and Determination of Paraquat and Diquat in Human Plasma and Urine by Magnetic Dispersive Solid Phase Extraction Coupled with High-Performance Liquid Chromatography

<div>FT-IR spectra of CoFe<sub>2</sub>O<sub>4</sub>@SiO<sub>2</sub> (a) and CoFe<sub>2</sub>O<sub>4</sub> (b).</div>

Journal of Analytical Methods in Chemistry

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Figure 4

Figure 4: Separation and Determination of Paraquat and Diquat in Human Plasma and Urine by Magnetic Dispersive Solid Phase Extraction Coupled with High-Performance Liquid Chromatography 

Figure 4 | Separation and Determination of Paraquat and Diquat in Human Plasma and Urine by Magnetic Dispersive Solid Phase Extraction Coupled with High-Performance Liquid Chromatography 