| 工业草酸与氢氧化镁制备纳米氧化镁的研究 |
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| 引用本文： | 武艳妮,左白艳,李领,宗俊.工业草酸与氢氧化镁制备纳米氧化镁的研究[J].无机盐工业,2011,43(7):29. |
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| 作者姓名： | 武艳妮 左白艳 李领 宗俊 |
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| 作者单位： | 华东师范大学化学系，上海 200062 |
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| 摘 要： | 以工业草酸和氢氧化镁为原料，通过控制实验条件以期制得纳米氧化镁。研究了煅烧温度、煅烧时间、反应温度、反应时间、草酸浓度和表面活性剂浓度对氧化镁产品粒径的影响，并采用X射线衍射（XRD）、热重差热分析（TG-DTA）、扫描电镜（SEM）等手段对产品进行了表征。研究表明，草酸浓度为0.8 mol/L、表面活性剂浓度为1.0 mmol/L、在40 ℃反应20 min得到的中间产物在600 ℃煅烧2 h，可制得纳米氧化镁，粒径在50 nm左右。本方法得到的氧化镁产品纯度高，工艺简单，操作方便，对设备技术要求不高，易于工业化生产。
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| 关 键 词： | 工业草酸 氢氧化镁 纳米氧化镁 |
Preparation of nano-sized magnesia with industrial oxalic acid and magnesium hydroxide |
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| Wu Yanni,Zuo Baiyan,Li Ling,Zong Jun.Preparation of nano-sized magnesia with industrial oxalic acid and magnesium hydroxide[J].Inorganic Chemicals Industry,2011,43(7):29. |
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| Authors: | Wu Yanni Zuo Baiyan Li Ling Zong Jun |
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| Affiliation: | Department of Chemistry,East China Normal University,Shanghai 200062,China |
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| Abstract: | Industrial oxalic acid and magnesium hydroxide were used as raw materials aiming to prepare nano-sized magnesia by controlling the experiment conditions.Influences of calcination temperature,calcination time,reaction temperature,reaction time,oxalic acid concentration,and surfactant concentration on particle size of magnesia products were stu-died.Products were characterized by means of X-ray diffraction(XRD),thermogravimetric differential thermal analysis(TG-DTA),and scanning electron microscopy(SEM) etc..... |
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| Keywords: | industrial oxalic acid magnesium hydroxide nano-magnesia |
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