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[交流] 好书 STUDIES ON THE TRANSFORMATION FROM AN INTERMEDIATE

Title: STUDIES ON THE TRANSFORMATION FROM AN INTERMEDIATE ALUMINOPHOSPHATE PHASE TO THREE-DIMENSIONAL OPEN-FRAMEWORKS
Source: HYDROTHERMAL REACTIONS AND TECHNIQUES
Author(s): CAIJIN LI
State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jilin University, Changchun 130023, P. R. China, China
JIHONG YU
State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jilin University, Changchun 130023, P. R. China, China
KAIXUE WANG
State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jilin University, Changchun 130023, P. R. China, China
LI PENG
State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jilin University, Changchun 130023, P. R. China, China
RUREN XU
State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jilin University, Changchun 130023, P. R. China, China

Abstract: An intermediate aluminophosphate phase [Al2P2O8(OH)2]·2[HOCH2CH2NH3], denoted as APO-M, is isolated in a pure form during the crystallization of a three-dimensional open-framework APO-CJ3, and characterized by XRD, TG-DTA, MAS NMR, ICP and CHN analyses. Our studies show that APO-M can transform to APO-CJ3, as well as to AlPO4-21 under hydrothermal treatment. The phase transformation process has been further studied. It is believed that the phase transformation from APO-M to AlPO4-21 is via a solid-to-solid conversion process, which has been confirmed by the dry-crystal conversion experiment.
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