Immobilized Cu(II)–Schiff base complex on modified Fe₃O₄ nanoparticles as catalysts in the oxidation of o-phenylenediamine to 2,3-diaminophenazine

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• 作者：Zeinab Moradi-Shoeili
• 关键词：Heterogeneous catalyst ; Magnetic nanocomposite ; o ; Phenylenediamine ; 2 ; 3 ; Diaminophenazine
• 刊名：Reaction Kinetics, Mechanisms and Catalysis
• 出版年：2017
• 出版时间：February 2017
• 年：2017
• 卷：120
• 期：1
• 页码：323-332
• 全文大小：
• 刊物类别：Chemistry and Materials Science
• 刊物主题：Catalysis; Physical Chemistry; Industrial Chemistry/Chemical Engineering;
• 出版者：Springer Netherlands
• ISSN：1878-5204
• 卷排序：120

文摘

A heterogeneous and magnetically recoverable nanocatalyst was conveniently synthesized via covalent anchoring of Cu(II)–Schiff base complex on modified Fe₃O₄@SiO₂ nanoparticles yielding Fe₃O₄@SiO₂–Cu(II). The resulting material was characterized by scanning electron microscopy, energy dispersive X-ray, X-ray diffraction, Fourier transform infrared spectroscopy and elemental analysis. The resulting nanocomposites were utilized as a catalyst for oxidation of o-phenylenediamine to 2,3-diaminophenazine in the presence H₂O₂ in aqueous solution. The data were fitted to the Michaelis–Menten model and the parameters K_m and V_max were obtained.