期刊文献+

过渡元素硅钼钨多元取代多金属含氧簇合物的热分析研究

Thermal Analysis of the Tungstomolybdosilic Multicomponent SubstitutedPolyoxometalate Clusters Containing Transition Elements
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摘要 利用热重-差热分析,变温IR光谱和变温X-射线粉末衍射等方法,对所合成的过渡元素硅钼钨多元取代多金属含氧簇合物的热稳定性进行了研究。结果表明,所合成的化合物的分解温度在320~380℃,不同的过渡元素取代对所合成的多金属含氧簇合物热稳定性没有显著影响,其热稳定性随钨的增加而增强。 The thermal behaviour of five series of novel multicomponent substituted polyoxometalate clusters was studied by means of thermogravimetry, differential thermal analysis, IR spectroscopy and X-ray powder diffraction at different temperature. The decomposition temperature of these conpounds is at about 320~380℃, and the more tungsten the compoud contains the more stable it is.
作者 李伟 戴立益
出处 《化学世界》 CAS CSCD 北大核心 2004年第2期59-62,共4页 Chemical World
基金 上海市自然科学基金资助项目(02AZ14028)
关键词 多金属含氧簇合物 热分析 分解温度 polyoxometalate cluster thermal analysis decomposition temperature
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