摘要
合成了通式为 Kn[PN_(bx)W_(12-x)O_(40)]·XH_2O(x=1,2,3,n=4,5,6)的杂多配合物。通过元素分析、紫外和红外光谱、X—射线衍射确定了组成和结构,并采用光度法,TG—DTA 和极谱等手段对其稳定性和氧化还原性进行了研究。
Potassium salts of [PNb_xW_(12-x)O_(40)^(-3-x) were prepared and characterized by IR.UV spectra,polarography,thermal analysis and chemical analysis.The results show that the substitu- tion of Nb atoms for W atoms makes a decrease of oxidation ability and an increase of thermal sta- bility,and that they have Keggin anion structure.
出处
《东北师大学报（自然科学版）》
CAS
CSCD
1992年第4期70-74,共5页
Journal of Northeast Normal University(Natural Science Edition)
关键词
合成
钨铌磷酸钾
Triniobiotungstophosphorate
Heteropoly compounds
Synthesis
Property
