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稀土元素钨硅杂多配合物的合成与稀土多元渗及导电性

XING Zhi-hua,ZHOU Bai-Bin,XU Xue-Qin,LI Zhong-hua,WEI Yong-de

CHINESE RARE EARTHS（2005）

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Abstract
报道了稀土元素钨硅三元杂多酸钾K13[Ln(SiW11O39)2]·xH2O (Ln=La,Ce,Pr, Nd ,Sm,Eu,Gd,Dy,Yb,Y)的合成,通过IR光谱、TG-DTA分析、XRD和XPS等现代分析方法测试表明,新配合物仍保持Keggin 结构.采用气相法,对合成配合物进行了稀土扩渗研究,通过ICP测试证明La,Sm,Dy已渗入到配合物的体相,并用四电极法和交流阻抗法测定了其导电性.
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Key words
heteropoly tungstosilicate complexes,synthesesrare earth elements,synthesesrare earth,conductivity,co-permeation
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