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Magnetic polyethyleneimine functionalized reduced graphene oxide as a novel magnetic solid-phase extraction adsorbent for the determination of polar acidic herbicides in rice

Agricultural ChemistryChemical EngineeringEnvironmental ChemistryEngineeringBiorational PesticidePesticide-residue AnalysisEnvironmental Analytical ChemistryMagnetic PolyethyleneiminePolar Acidic HerbicidesEnvironmental RemediationGrapheneAnalytical ChemistryBio-based SorbentChemistry