Determination of the Charge of Fe(III) Polynuclear Hydroxo Complexes in Solution

被引：0
|
作者：
Davydov, Yu. P. [1 ]
Prokshin, N. E. [1 ]
Toropov, I. G. [1 ]
Davydov, D. Yu. [1 ]
机构：
[1] Belarussian Acad Sci, Inst Radioecol Problems, Minsk, BELARUS
来源：
RUSSIAN JOURNAL OF INORGANIC CHEMISTRY | 1999年 / 44卷 / 07期
关键词：
D O I：
暂无
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The behavior of the complex-forming anions I-, SO42-, and PO43- in the presence of iron(III) poly nuclear complexes was studied by dialysis. The I- ions do not react with polynuclear iron complexes. The retention values found for the SO42- anions were highly scattered; however, in general, they indicate that the SO42- anions react with polynuclear Fe(III) species in solution. In the case of PO43-, a pronounced effect of their interaction with polynuclear Fe(III) species in solution was found. A method for determination of the charge of iron(III) polynuclear complexes was proposed. The method is based on neutralization of a polynuclear complex by addition of phosphate anions. The charge of iron(III) polynuclear complexes does not exceed +0.3 at pH 3.0 and an iron concentration of 10-3 mol/l.
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页码：1048 / 1052
页数：5
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