机构地区: 海南师范大学化学与化工学院
出 处: 《海南师范大学学报(自然科学版)》 2011年第4期415-419,共5页
摘 要: Na2HPO4·12H2O和Na2WO4·2H2O在pH=4.8,恒温358 K的水溶液中反应得到Keggin型缺位杂多酸盐Na7PW11O39.元素分析,红外光谱,紫外光谱,热重-差热分析,原位升温XRD,31P核磁共振等的研究表明:合成样品的分子式为Na7PW11O39.11H2O. Keggin-type lacunary heteropolytungstate has been synthesized by the reaction between Na2HPO4.12H2O and Na2WO4.2H2O in the aqueous solution at pH=4.8.It is characterized by element analysis,IR,UV,TG-DTA,in-situ XRD,31P.