Studies on the Synthesis and Structure of a New Type of Aluminophosphate Molecular Sieves (AlPO4-CJ2)

Abstract

Abstract: Anovel aluminophosphate molecular sieve (A1PO₄-CJ₂) was synthesized hydrothermally from the system of Al₂O₃-P₂O₅-hexamethylenetetramine-H₂O, and a large single crystal was obtained. It was proved that AIPO₄-CJ₂hasan open framework, and has 8-Tring channels along the direction (100) and (001) respectively determined by X-ray diffraction, four-circle X-ray diffraction and IRspectrum and that the Al atoms of the framework are located in AlO₅(distorted trigonal bipyramid) and AlO₅F (distorted octahedron). A model of Al-O-Al linkage is formed by bridge of the oxygen atom of water molecules.

Key words: Alurninophosphate, Molecular sieves, Synthesis, Structure

TrendMD:

Yu Long, Pang Wen-qin . Studies on the Synthesis and Structure of a New Type of Aluminophosphate Molecular Sieves (AlPO₄-CJ₂)[J]. Chem. J. Chinese Universities, 1991, 12(9): 1137.

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Studies on the Synthesis and Structure of a New Type of Aluminophosphate Molecular Sieves (AlPO₄-CJ₂)

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