硫酸根助氧化铬体系超强酸  

Sulfate Promoted Chromium(Ⅲ) Oxide Superacid

作　　者：杨胥微[1] 张武阳[1] 李艳琴 王保中 魏诠 闵连甲 李荣生[1] 

机构地区：[1]吉林大学化学系,长春130023

出　　处：《吉林大学自然科学学报》1997年第3期95-98,共4页Acta Scientiarum Naturalium Universitatis Jilinensis

基　　金：国家自然科学基金

摘　　要：制备了Cr2O3和Cr（OH）3，用（NH4）2SO4对其活化做成超强酸，并以IR、XPS和正戊烷转化对超强酸进行了表征．结果显示，Cr（OH）3硫酸化后的酸性比硫酸化的Cr2O3强。The present paper covers the preparation of Cr2O3 and Cr(OH)3 and their transformation into superacids by addition of SO4-·SO42-/Cr2O3 and SO42-/Cr(OH)3 were characterized by means of IR, XPS and the conversion of n-petane. The results showed that the acidity of sulfated Cr(OH)3 is stronger than that of sulfated Cr2O3.

关 键 词：硫酸铵 氧化铬 超强酸 硫酸根 催化剂 

分 类 号：O643.36[理学—物理化学]