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o-ZrW_1.6Mo_0.4O₈·H₂O正交相的合成与表征

The Preparation and Characterization of Orthorhombic o-ZrW_1.6Mo_0.4O₈·H₂O

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【Author】 HUANG Ling1 LIU Peng-Hui1 MA Hui2 QI Chuan-Min1 ZHAO Xin-Hua,1(1Department of Chemistry, 2Analyzing and Testing Center, Beijing Normal University, Beijing 100875)

【机构】北京师范大学化学系；北京师范大学分析测试中心；北京师范大学化学系北京100875；北京100875；北京100875；

【Abstract】 The precursor ZrW1.6Mo0.4O7(OH)2(H2O)2 was characterized by IR and XRD methods. δ′-ZrW1.6Mo0.4O8 was prepared by careful controlling the annealing conditions from the precursor and was determined to have the formula as o-ZrW1.6Mo0.4O8·H2O by TG-DSC, IR, and XRD methods. The relation between o-ZrW1.6Mo0.4O8·H2O and o-ZrW1.6Mo0.4O8 was discussed through variable temperature XRD patterns. Further more, the mechanism of the precursor dehydration was suggested.更多还原