EFFECT OF INTRODUCING ALKALINE-EARTH-METAL IONS INTO THE SURFACE-LAYER OF ALUMINUM-OXIDE ON ITS ACID-BASE PROPERTIES

被引：0

作者：

KOLTSOV, SI

KOLTSOV, YS

机构：

来源：

JOURNAL OF APPLIED CHEMISTRY OF THE USSR | 1992年 / 65卷 / 11期

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D O I：

暂无

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Studies on the adsorption of indicators with pK(a) of 1.1-17.2 have shown that on introducing magnesium (calcium) ions into the surface layer of aluminum oxide a redistribution of the adsorption centers occurs accompanied by a decrease in their basicity compared to the surface centers of Theta-Al2O3 and MgO. The composition and density of the aluminum magnesium oxide surface layer have been determined. It is proposed that introduction of magnesium leads to the formation of a ''surface'' spinel.

引用

页码：1986 / 1989

页数：4