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ChemInform Abstract: Hydrothermal Synthesis and Structural Characterization of Zeolite-Like Structures Based on Gallium and Aluminum Germanates.

✍ Scribed by Xianhui Bu; Pingyun Feng; Thurman E. Gier; Dongyuan Zhao; Galen D. Stucky

Publisher
John Wiley and Sons
Year
2010
Weight
28 KB
Volume
30
Category
Article
ISSN
0931-7597

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✦ Synopsis

1999 ion exchange, zeolites, molecular sieves, crown ethers, clays ion exchange, zeolites, molecular sieves, crown ethers, clays V 1350

16 -270

Hydrothermal Synthesis and Structural Characterization of Zeolite-Like Structures Based on Gallium and Aluminum Germanates.

-A novel class of germanate zeolite structures is prepared using inorganic cations or organic amines as structure-directing agents. This successful synthesis represents a significant breakthrough in the preparation of Ge-based 4-connected 3D framework structures with large (12-ring), medium (10-ring), small (8-ring), or ultrasmall (6-ring) pores. They have a variety of chemical compositions such as various Ge to Ga (or Al) ratios and exhibit interesting structural features such as helical chains and odd-membered rings. Their crystal structures are determined by single-crystal XRD.

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