| 沉淀-络合滴定法快速测定陶瓷钛酸钡纳米粉中钡钛的含量 |
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| 引用本文： | 刘东,张嫦,周小菊,周方红,吴莉莉.沉淀-络合滴定法快速测定陶瓷钛酸钡纳米粉中钡钛的含量[J].西南民族学院学报(自然科学版),2007,33(5):1109-1112. |
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| 作者姓名： | 刘东 张嫦 周小菊 周方红 吴莉莉 |
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| 作者单位： | 西南民族大学化学与环境保护工程学院 成都610041 |
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| 基金项目： | 四川省2003年重点科研项目资助.（02G0099026）. |
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| 摘 要： | 本文采用沉淀—络合滴定法快速测定了陶瓷钛酸钡纳米粉中钡钛的含量,测定中采用过氧化钠作共熔剂加热熔解钛酸钡,试样水溶后加浓盐酸得到澄清度良好的样品溶液;采用EDTA返滴定法测定了钛酸钡试样中的钡和钛的含量,且过程中EDTA过量3倍;获得测定结果中钡的标准偏差为0.039%、钛的标准偏差为0.049%,方法简便快速、测定成本低,取得了满意的结果.
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| 关 键 词： | 电子陶瓷 钛酸钡纳米粉体 沉淀—络合滴定法 钛钡分析. |
| 文章编号： | 1003-2843（2007）05-1109-04 |
| 收稿时间： | 2007-07-08 |
| 修稿时间： | 2007年7月8日 |
Fast determination of Ba,Ti contents in BaTiO3 electronic ceramic nanopowders by means of precipitation-complexometric titration |
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| LIU Dong,ZHANG Chang,ZHOU Xiao-ju,ZHOU Fang-hong,WU Li-li.Fast determination of Ba,Ti contents in BaTiO3 electronic ceramic nanopowders by means of precipitation-complexometric titration[J].Journal of Southwest Nationalities College(Natural Science Edition),2007,33(5):1109-1112. |
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| Authors: | LIU Dong ZHANG Chang ZHOU Xiao-ju ZHOU Fang-hong WU Li-li |
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| Abstract: | The method of fast determining barium and Bitanium contents of BaTiO3 electronic ceramic nanopowders is introduced.The sample is liquited with Na2O2 at high temperature,then leached with acid aqueous solution containing concentrate hydrochloric acid.Determining barium and titanium contents is complexometric titration by adding EDTA solution.We should control the overdose 3 times of EDTA.The result shows that the method is simple,efficient,lower cost,and of high accuracy.The standard deviation measurement ranges are 0.039% and 0.049% . |
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| Keywords: | electron ceramic barium titanate nanopowerder precipitation-complexometric titration analysis of barium and titanium |
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