Research Article

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

Figure 5

Effect of chloroform volume on OCPs recoveries (a) and enrichment factors (b).
(a)
(b)