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ChemInform Abstract: Synthesis and Characterization of Mesostructured Aluminophosphates Using the Fluoride Route.

✍ Scribed by P. FENG; Y. XIA; J. FENG; X. BU; G. D. STUCKY

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

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✦ Synopsis

Synthesis and Characterization of Mesostructured Aluminophosphates Using the Fluoride Route.

-Hexagonal mesostructured aluminophosphate is prepared at room temp. from (iPrO)3Al, H3PO4, HF, C16H33Me3NBr (surfactant), and Me4NOH to adjust the pH to 8.3 using EtOH-H2O as solvent. The crystalline quality of the hexagonal phase can be improved by treatment for 1 week in deionized water at 70 β€’ C as shown by TEM and 27Al MAS NMR. Heating at 100 β€’ C of the gel of the hexagonal phase leads to complete transformation into the mesostructured lamellar phase within two days. In this phase Al is tetrahedrally coordinated. -(FENG, P.; XIA,

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