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Mechanism and Influence Factors of V_6O_(13) Synthesis
作者姓名:林勤  杜垣胜  叶文  刘康  刘人敏  李晓云
作者单位:University of Science and Technology Beijing Beijing China 100083,University of Science and Technology Beijing Beijing China 100083,University of Science and Technology Beijing Beijing China 100083,University of Science and Technology Beijing Beijing China 100083,General Research Institute for Non-ferrous Metals Beijing China 10008,General Research Institute for Non-ferrous Metals Beijing China 10008
摘    要:The mechanism and influence factors of thermal decomposition of NH_4VO_3 in Ar to produce V_6O_(13)were investigated by TG-DTG, DSC, X-ray diffraction and orthogonal design experiments at 25~450℃.Theprocess includes four reactions, among which the reduction of V_2O_5 by NH_3 is one of the most importantstagrt controlling the constituents of the fina1 products, and it is affected by heating rate and amount ofNH_4VO_3 singnificantly. This reduction reaction is controlled by a first order reaction or nucleation and nucleigrowth with a kinetic equation--ln(l-a)=kt,and apparent activation energy of 410kJ/molis obtained.


Mechanism and Influence Factors of V_6O_(13) Synthesis
Lin Qin,Du Yuansheng,Ye Wen,Liu Kang University of Science and Technology Beijing,Beijing ,China Liu Renmin,Li Xiaoyun General Research Institute for Non-ferrous Metals,Beijing ,China.Mechanism and Influence Factors of V_6O_(13) Synthesis[J].Rare Metals,1993(1).
Authors:Lin Qin  Du Yuansheng  Ye Wen  Liu Kang University of Science and Technology Beijing  Beijing  China Liu Renmin  Li Xiaoyun General Research Institute for Non-ferrous Metals  Beijing  China
Affiliation:Lin Qin,Du Yuansheng,Ye Wen,Liu Kang University of Science and Technology Beijing,Beijing 100083,China Liu Renmin,Li Xiaoyun General Research Institute for Non-ferrous Metals,Beijing 100088,China
Abstract:
Keywords:Framework compound  Synthesis of V_6O_(13)  Thermal analysis  Kinetics
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