Preparation of High-Specific-Surface-Area Nanometer-sized Alumina by Sol-Gel Method and Study on Adsorption Behaviors of Transition Metal Ions on the Alumina Powder with ICP-AES

Acta Chimica Sinica ›› 2003, Vol. 61 ›› Issue (1): 100-103. Previous Articles Next Articles

Original Articles

溶胶－凝胶法制备高比表面积的纳米氧化铝及其对过渡金属离子吸附行为的研究

常钢;江祖成;彭天右;胡斌

武汉大学化学与分子科学学院,武汉(430072)

发布日期:2003-01-15

Preparation of High-Specific-Surface-Area Nanometer-sized Alumina by Sol-Gel Method and Study on Adsorption Behaviors of Transition Metal Ions on the Alumina Powder with ICP-AES

Chang Gang;Jiang ZuCheng;Peng TianYou;Hu Bin

College of Chemistry and Molecular Science, Wuhan University,Wuhan (430072);Collegeof Chemistry and Molecular Science, Wuhan University, Wuhan(430072)

Published:2003-01-15

Abstract

High surface area nanometer-sized alumina were successfully prepared by Sol-Gel method. The product was characterized by TEM, XRD and BET. The adsorption of transition metal cations on the high surface-area alumina powder was investigated. The effect of pH on the adsorption of analytes, adsorption isotherm and adsorption capacities were studied and it was found that the nanometer-sized Al_2O_3 possesses a significant capacity towards sorption of transition metal cations. At pH 8~9 quantitative sorption was obtained for Cu, Mn, Cr and Ni. All tested elements can be eluted with 1.0 mol/L HCI. The method has been applied to the analysis of some environmental samples with satisfactory results.

Key words: TRANSITION METAL COMPOUND, IONS, ADSORPTION, SOL-GEL PROCESS, NANOPHASE MATERIALS, ALUMINIUM OXIDE, ICP-ATOMIC EMISSION SPECTROMETRY, ATOMIC EMISSION SPECTROMETRY, ISOLATION, CONCENTRATION

CLC Number:

O647

Cite this article

Chang Gang;Jiang ZuCheng;Peng TianYou;Hu Bin. Preparation of High-Specific-Surface-Area Nanometer-sized Alumina by Sol-Gel Method and Study on Adsorption Behaviors of Transition Metal Ions on the Alumina Powder with ICP-AES[J]. Acta Chimica Sinica, 2003, 61(1): 100-103.

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溶胶－凝胶法制备高比表面积的纳米氧化铝及其对过渡金属离子吸附行为的研究

Preparation of High-Specific-Surface-Area Nanometer-sized Alumina by Sol-Gel Method and Study on Adsorption Behaviors of Transition Metal Ions on the Alumina Powder with ICP-AES

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