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MgFe水滑石类化合物的制备与表征
Preparation and Characterization of Magnesium-iron Hydrotalcite-like Compounds
【摘要】 采用共沉淀法合成了一系列MgFe水滑石类化合物。元素分析结果表明MgFe水滑石中Mg/Fe摩尔比与投料比基本一致。X 衍射结果显示 ,当Mg/Fe摩尔比为 2 ,3或 4时水滑石结晶度好、纯度高。差热 -热重测试结果表明MgFe水滑石的分解有两个过程 ,分别对应于 1 75℃和 3 5 3℃的吸热峰
【Abstract】 A series of MgFe hydrotalcite-like compounds were synthesized by coprecipitation. XRD, DTA, TG and chelatometry were used to research the composition and structure of the products. The results showed that the hydrotalcites with Mg/Fe molar ratios of 2 to 4 have the nice crystal form and high purity.
- 【文献出处】 合成化学 ,Chinese Journal of Synthetic Chemistry , 编辑部邮箱 ,2002年06期
- 【分类号】O614
- 【被引频次】23
- 【下载频次】377