X-RAY PHOTOELECTRON STUDIES OF ANION ADSORPTION ON GOETHITE

被引：57

作者：

MARTIN, RR ^{[1
]}

SMART, RS ^{[1
]}

机构：

[1] GRIFFITH UNIV,SCH SCI,NATHAN,QLD 4111,AUSTRALIA

来源：

SOIL SCIENCE SOCIETY OF AMERICA JOURNAL | 1987年 / 51卷 / 01期

关键词：

IONS; -; Monitoring; MINERALS; Adsorption;

D O I：

10.2136/sssaj1987.03615995005100010010x

中图分类号：

S15 [土壤学];

学科分类号：

0903 ; 090301 ;

摘要：

X-ray photoelectron spectroscopy (XPS) was evaluated as a technique to study anion adsorption on soil minerals; in this case, the well-characterized systems of phosphate, sulfate, and selenite adsorption on goethite ( alpha -FeOOH), X-ray photoelectron spectroscopy measured directly the surface coverage, the form of the adsorbed species and substrate, and the pH dependence of adsorption. The results confirm the previously reported adsorption mode in which two A-type hydroxyls are replaced by coordination of two of the oxygen atoms of the anion.

引用

页码：54 / 56

页数：3

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