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POLYMORPH CONTROL OF ANTIMONY WHITE(Sb_2O_3)PREPARED BY HYDROMETALLURGY METHOD 被引量:4
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作者 Zhang Duomo Xiao Songwen +4 位作者 Cho Tongrae Liu Zhihong Ge Rongde Chen Huiguang Guo Xueyi 《中国有色金属学会会刊:英文版》 CSCD 1997年第4期119-123,共5页
The effects of reaction solvent, the properties of Sb 4O 5Cl 2 material and the ligand additives on the reaction rate and polymorph of antimony white(Sb 2O 3) in the reaction of Sb 4O 5Cl 2 transforming into S... The effects of reaction solvent, the properties of Sb 4O 5Cl 2 material and the ligand additives on the reaction rate and polymorph of antimony white(Sb 2O 3) in the reaction of Sb 4O 5Cl 2 transforming into Sb 2O 3 have been investigated by XRD and IR method. It is revealed that the reaction solvent and the properties of Sb 4O 5Cl 2 are the key factors affecting the reaction rate. The polymorph of antimony trioxides is determined by the reaction mechanism, i.e. the coordination state of the antimony activated complex. Adding a little ligand such as EDTA is the most economical and effective method of synthesizing cubic antimony white(Sb 2O 3)in hydrometallurgical transformation process. 展开更多
关键词 antimony white POLYMORPH antimony activated complex structure selecting catalyst
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