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Nanosized nickel oxide was synthesized by a simple liquid-phase process to obtain the hydroxide precursor and then calcined to form the oxide. The precursor and the nickel oxide were characterized by X-ray diffraction (XRD), infrared spectroscopy (IR), thermal analysis (TG) and temperature-programmed reduction (TPR). The results indicated that the particle size of nickel oxide was controlled by the...
Various surface area (SBET) of cobaltic oxide (Co3O4) are prepared by different methods, i.e., precipitation–oxidation, impregnation and hydrothermal. The effect of SBET of Co3O4 on the catalytic property toward CO oxidation is investigated. The results indicate that the optimum SBET of Co3O4 could increase the catalytic activity. Characterization of the cobaltic oxide using X-ray diffraction (XRD),...
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