| 碳酸氢铵沉淀法制备超细Y_2O_3反应条件对粒度的影响 |
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| 引用本文： | 刘铃声,熊晓柏,贾涛,曹鸿璋. 碳酸氢铵沉淀法制备超细Y_2O_3反应条件对粒度的影响[J]. 稀土, 2010, 31(2) |
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| 作者姓名： | 刘铃声 熊晓柏 贾涛 曹鸿璋 |
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| 作者单位： | 包头稀土研究院,内蒙古,包头,014030;稀土冶金及功能材料国家工程研究中心,内蒙古,包头,014030 |
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| 摘 要： | 用共沉淀法制备超细Y2O3,研究了料液浓度、复合分散剂和体系反应温度对粒度的影响。在硝酸钇溶液中,加入PVA和SDBS分散剂,以NH4HCO3为沉淀剂,得到碳酸钇前驱体,过滤,120℃干燥,在700℃灼烧3h,制备出了分散性好、平均体积粒径为97.5nm的超细Y2O3粉体;得到了在硝酸体系中制备超细Y2O3的最佳工艺条件:硝酸钇的浓度为0.3mol/L,复合分散剂加入量3%,体系反应温度50℃~60℃。
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| 关 键 词： | 氧化钇 分散剂 碳酸氢铵 粒度 |
Effects of Reaction Conditions on the Particle Size of Ultra-fine Y_2O_3 Prepared by NH_4HCO_3 Precipitation Method |
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| LIU Ling-sheng,,XIONG Xiao-bai,JIA Tao,CAO Hong-zhang. Effects of Reaction Conditions on the Particle Size of Ultra-fine Y_2O_3 Prepared by NH_4HCO_3 Precipitation Method[J]. Chinese Rare Earths, 2010, 31(2) |
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| Authors: | LIU Ling-sheng XIONG Xiao-bai JIA Tao CAO Hong-zhang |
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| Affiliation: | LIU Ling-sheng1,2,XIONG Xiao-bai1,JIA Tao1,CAO Hong-zhang1,2(1.Baotou Reaserch Institute of Rare Earths,Baotou 014030,China,2.National Engineering Center of Rare Earth Metallurgy , Funceional Materials Baotou 014030,China) |
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| Abstract: | |
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| Keywords: | yttria dispersant ammonium bicarbonate granularity |
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