ADSORPTION OF ZINC(II) ON HYDROUS IRON-OXIDES

被引：26

作者：

MUSIC, S

RISTIC, M

机构：

[1] Ruder Bošković Institute, Zagreb

来源：

JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY-ARTICLES | 1992年 / 162卷 / 02期

关键词：

D O I：

10.1007/BF02035395

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

The adsorption of Zn2+ ions on amorphous Fe(OH)3 and alpha-Fe2O3, as a function of pH, has been investigated. In the pH region corresponding to the formation of positively charged Zn-hydroxy complexes, an abrupt increase in adsorption was observed. The influence of EDTA and glycine on the adsorption of Zn2+ by alpha-Fe2O3 bas also been investigated. Strong suppression of the adsorption of Zn2+ was observed for high [EDTA or Gly]/[Zn2+] concentration ratios. The results of the adsorption of Zn2+ in the presence of an organic ligand were explained by the formation of Zn-EDTA or Zn-glycine complexes and also by the occupation of adsorption sites by the free organic ligand

引用

页码：351 / 362

页数：12

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