期刊
ANALYTICAL CHEMISTRY
卷 86, 期 24, 页码 12199-12205出版社
AMER CHEMICAL SOC
DOI: 10.1021/ac5031896
关键词
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资金
- National Natural Science Foundation of China [31171698, 31471643]
- Innovation Research Program of the Department of Education of Hebei for Hebei Provincial Universities [LJRC009]
- Natural Science Foundations of Hebei [B2012204028]
- Scientific and Technological Research Foundation of the Department of Education of Hebei Province [ZD20131033]
The fabrication of a magnetic nanoporous carbon (MNPC) via one-step direct carbonization of Co-based metal-organic framework has been achieved without using any additional carbon precursors. The morphology, structure, and magnetic behavior of the as-prepared Co-MNPC were characterized by using the techniques of scanning electron microscopy, transmission electron microscopy, powder X-ray diffraction, Raman spectroscopy, N-2 adsorption, and vibrating sample magnetometer. The Co-MNPC has a high specific surface area, large pore volume, and super paramagnetism. Its performance was evaluated by the magnetic solid-phase extraction of some neonicotinoid insecticides from water and fatmelon samples followed by high-performance liquid chromatographic analysis. The effects of the main experimental parameters that could affect the extraction efficiencies were investigated. The results demonstrated that the Co-MNPC had an excellent adsorption capability for the compounds.
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