Graphene‑Modified Magnetic Nanoparticles for Analyzing Some Pesticides Through Magnetic Dispersive Solid Phase Extraction and Dispersive Liquid–Liquid Microextraction Followed by GC–MS Determination

Graphene‑Modified Magnetic Nanoparticles for Analyzing Some Pesticides Through Magnetic Dispersive Solid Phase Extraction and Dispersive Liquid–Liquid Microextraction Followed by GC–MS Determination