Determination of Organochlorine Pesticides in Green Leafy Vegetable Samples via Fe<sub>3</sub>O<sub>4</sub> Magnetic Nanoparticles Modified QuEChERS Integrated to Dispersive Liquid-Liquid Microextraction Coupled with Gas Chromatography-Mass Spectrometry

<div>Effect of different amounts of carbon black on recoveries of OCPs.</div>

Journal of Analytical Methods in Chemistry

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Figure 3

Figure 3: Determination of Organochlorine Pesticides in Green Leafy Vegetable Samples via Fe<sub>3</sub>O<sub>4</sub> Magnetic Nanoparticles Modified QuEChERS Integrated to Dispersive Liquid-Liquid Microextraction Coupled with Gas Chromatography-Mass Spectrometry 

Figure 3 | Determination of Organochlorine Pesticides in Green Leafy Vegetable Samples via Fe3O4 Magnetic Nanoparticles Modified QuEChERS Integrated to Dispersive Liquid-Liquid Microextraction Coupled with Gas Chromatography-Mass Spectrometry 