Synthesis and Characterization of Titanosilicate with the Structure of Umbite

Chemical Research in Chinese Universities ›› 2002, Vol. 18 ›› Issue (4): 380-384.

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Synthesis and Characterization of Titanosilicate with the Structure of Umbite

ZHAO Yong-nan¹, LI Ya-feng², ZOU Yong-chun², MAI Zhen-hong¹, PANG Wen-qin²

1. Institute of Physics & Center for Condensed Matter Physics, Chinese Academy of Sciences, Beijing 100080, P. R. China;
2. Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jinlin University, Changchun 130023, P. R. China

Received:2001-09-06 Online:2002-12-24 Published:2011-08-04
Supported by:
Supported by the National Natural Science Foundation of China and the state key laboratory of Inorganic Synthesis.

Abstract

Abstract: A zeolitic titanosilicate with the composition of K₂TiSi₃O₉·H₂O, a structural analogue of natural mineral umbite K₂ZrSi₃O₉·H₂O, was hydrothermally synthesized in the SiO₂-TiO₂-K₂O-H₂O system and characterized by means of powder X-ray diffraction, SEM, IR and thermal analysis. The effects of TiO₂/SiO₂ and OH^-/SiO₂ ratios on the crystallization of the umbite were discussed. The influence of the organic additives on the morphology of the crystal was also investigated and the crystals with different shapes were obtained.

Key words: Synthesis, Titanosilicate, Umbite

ZHAO Yong-nan, LI Ya-feng, ZOU Yong-chun, MAI Zhen-hong, PANG Wen-qin. Synthesis and Characterization of Titanosilicate with the Structure of Umbite[J]. Chemical Research in Chinese Universities, 2002, 18(4): 380-384.

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Synthesis and Characterization of Titanosilicate with the Structure of Umbite

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