镧系元素的双-(9-钨-2-钼磷)杂多酸钾的合成与性质研究

Syntheses and Studies of Properties on Potassium Salts of Heteropoly Acid of Bis-(9-W-2-MoP) with Lanthanoids

自1971年Peacock等首次合成出以杂多阴离子为配位体的镧系元素的一些杂多配合物[Ln(XW11O39)2]n-（X=P,Si）以来,Zuhairi等又合成出镧的一些其它杂多钨酸盐[La(XW11O39)2]n-（X=B,Si,Ge,P,As）。 为开发新型的镧系元素催化剂,我们系统地研究了镧系元素的杂多钨酸盐和杂多钼酸盐。本文报道有关K11[Ln(PW9Mo2O39)2]·nH2O（Ln=La,Ce,Pr,Nd,Sm,Eu,Gd,Tb,Dy,Er,Yb）的合成及性质的研究结果。

The potassium salts of heteropoly acid with lanthanoids KnLn(PMo2W9O3?2 ?籋2O, are prepared and thier elemental compositions are analysed. We entered into details on the stabilities to acid and base in aqueous solution and thermal stabilities of these compounds and determined thier IR spectra, UV spectra, XPS and 31P NMR.