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VIBRATIONAL SPECTROSCOPIC EVIDENCE FOR THE PRESENCE OF TiO6 STRUCTURAL UNITS IN TITANOSILICATE MOLECULAR SIEVE ETS-10
Korean Journal of Chemical Engineering, July 1996, 13(4), 419-421(3), 10.1007/BF02705973
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Abstract
A comparison of infrared and Raman spectra of a titanosilicate molecular sieve ETS -10 with literature data on titanium-containing ZSM-5 (TS-1) and perovskite SrTiO3 provides conclusive evidence for the presence of intraframework TiO6 octahedral units in ETS-10. The appearance of a very strong band at 723 cm-1 in the Raman spectrum of ETS-10 suggests that the technique can be useful for the characterization of molecular sieves containing TiO6 structural units.
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Balachandran U, Eror NG, Solid State Commun., 44, 815 (1982)
Bellussi G, Fattore V, Stud. Surf. Sci. Catal., 69, 79 (1991)
Das TK, Chandwadkar AJ, Budhkar AP, Belhekar AA, Sivasanker S, Microporous Mater., 4, 95 (1995)
Deo G, Turek AM, Wachs IE, Huybrechts DRC, Jacobs PA, Zeolites, 13, 365 (1993)
Diaz-Guemes MI, Carreno TG, Serna CJ, Spectrochim. Acta, 45A, 589 (1989)
Dutta PK, Rao KM, Park JY, J. Phys. Chem., 95, 6654 (1991)
Flanigen EM, Khatami H, Szymanski Ha, Adv. Chem. Ser., 101, 201 (1971)
Geobaldo F, Bordiga S, Zecchina A, Giamello E, Leofanti G, Petrini G, Catal. Lett., 16, 109 (1992)
Jorgensen CK, "Electron Transfer Spectra," in Progress in Inorganic Chemistry, vol. 12, Lippard, S.J. ed., Wiley, New York (1970)
Kuznicki SM, U.S. Patent, 4,853,202 (1989)
Kuznicki SM, Thrush KA, Allen FM, Levine SM, Hamil MM, Hayhurst DT, Mansour M, "Synthesis and Adsorptive Properties of Titanium Silicate Molecular Sieves," in Synthesis of Microporous Materials, Vol. 1, Ocelli, M.L. and Robson, H. eds., Van Nostrand Reinhold, New York (1992)
Last JT, Phys. Rev., 105, 1740 (1957)
Nilsen WG, Skinner JG, J. Chem. Phys., 48, 2240 (1968)
Perry CH, Hall DB, Phys. Rev. Lett., 15, 700 (1965)
Venuto PB, Microporous Mater., 2, 297 (1994)
Zecchina A, Spoto G, Bordiga S, Ferrero A, Petrini G, Leofanti G, Padovan M, Stud. Surf. Sci. Catal., 69, 251 (1991)
