摘要
报道了５种新化合物ＬｎＨＳｉＭｏ３Ｗ９Ｏ（４０）·ｘＨ２Ｏ（Ｌｎ＝Ｌａ，Ｎｄ，Ｓｍ，Ｅｕ，Ｇｄ）的合成．Ｘ－射线粉末衍射和红外光谱分析结果表明，５种化合物具有β－Ｋｅｇｇｉｎ结构．并通过紫外光谱、循环伏安和差热分析等测定了它们的性质，还讨论了反荷阳离子Ｌｎ（３＋）对主要红外振动光谱及热分解温度的影响。
Six new compounds H4SiMo3W9O10.xH2O and LnHSiMo3 W9O10.xH2O (Ln=La,Nd,Sm,Eu,Gd)were prepared and were characterized by ICP,infrared and ultraviolet spectra,X- ray diffraction,cyclic voltammetry,differential thermal analysis in this paper.The results indicated that six compounds were the β-isomer of keggin structrure.The effects of counter canons Ln3+on the Infrared vibration spectra and thermal staditity were studied.
出处
《湖北大学学报（自然科学版）》
CAS
1994年第3期286-290,共5页
Journal of Hubei University：Natural Science
基金
武汉市科委基金
关键词
KEGGIN结构
杂多酸
钨钼硅酸盐
Keggin structure
Heteropoly acid
Tungstomolybdosilicate
Preparation Property
