长程膨润/回复法合成钨酸根插层LDH  

SYNTHESIS OF TUNGSTATE INTERCALATED INTO LAYERED DOUBLE HYDROXIDES THROUGH AN OSMOTIC SWELLING/RESTORATION REACTION

作　　者：王娟[1] 楚楠凯[1] 马辉[2] 杜丽[1] 黄改玲[1] 马淑兰[1] 杨晓晶[1] 

机构地区：[1]北京师范大学化学学院,北京100875 [2]北京师范大学分析测试中心,北京100875

出　　处：《北京师范大学学报（自然科学版）》2010年第5期596-599,共4页Journal of Beijing Normal University(Natural Science)

基　　金：国家自然科学基金资助项目(50872012;20871018)

摘　　要：采用长程膨润/回复法将WO42-插层到MgAl型层状双金属氢氧化物(LDH)的层间,得到层间距为1.06nm的插层化合物MgAl-WO24--LDH.即将NO3--LDH在甲酰胺中溶胀,将WO42-的甲酰胺溶液加入溶胀液,形成WO42--LDH.用XRD、IR光谱、ICP、SEM等方法研究了其结构、组成及形貌.证实WO42-已成功地插入层间.Tungstate was intercalated into NO-3 type magnesium-aluminum LDH via osmotic swelling/restoration reactions,forming a MgAl-WO2-4-LDH intercalate with a basal spacing of 1.06 nm.Intercalation was carried out by adding formamide solution of sodium tungstate into the swollen phase of NO-3-LDH in formamide.Product was characterized by XRD,FTIR,CHN analysis,by ICP and SEM.These data show that tungstate was intercalated into LDH successfully.

关 键 词：层状双金属氢氧化物 钨酸盐 长程膨润/回复反应 

分 类 号：O613.71[理学—无机化学]