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    Preparation of Graphene Sheets with Covalently Bonded Fe3O4 for Magnetic Solid-Phase Extraction Applied to Organochlorine Pesticides in Orange Juice

    In this paper, a graphene-based magnetic nanocomposite (Fe3O4@G) was synthesized by covalent bonding. The presence of Fe3O4 was characterized by fourier transform infrared spectroscopy, X-ray diffraction, thermo...

    Ting Sun, Jie Yang, Lanjie Li, **aozhong Wang, Xuwen Li, Yongri ** in Chromatographia (2016)