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Title: XPS study on microporous titanosilicate ETS-10 upon acid treatment
Authors: Lv, L. 
Lee, F.Y.
Zhou, J.
Su, F. 
Zhao, X.S. 
Keywords: Acid treatment
Microporous titanosilicate ETS-10
Issue Date: 26-Nov-2006
Citation: Lv, L., Lee, F.Y., Zhou, J., Su, F., Zhao, X.S. (2006-11-26). XPS study on microporous titanosilicate ETS-10 upon acid treatment. Microporous and Mesoporous Materials 96 (1-3) : 270-275. ScholarBank@NUS Repository.
Abstract: In this work, we studied the structural change of microporous titanosilicate ETS-10 upon post-treatment with nitric acid using X-ray photoelectron spectroscopy (XPS) technique. The experimental results demonstrated that significant leaching of Ti species from the surface of ETS-10 occurred upon acid washing; in the meantime the equilibrium pH of the acidification solution was lowered. Analysis of the Ti 2p and O 1s XPS spectra of the acid-treated ETS-10 samples revealed the formation of tetrahedral Ti species due to Ti leaching from the -O-Ti-O-Ti-O- chains of ETS-10 framework, suggesting that the -O-Ti-O-Ti-O- chains are very sensitive to an acidic environment. © 2006 Elsevier Inc. All rights reserved.
Source Title: Microporous and Mesoporous Materials
ISSN: 13871811
Appears in Collections:Staff Publications

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