OXIDATION OF CERIUM(III) IN AQUEOUS CARBONATE SOLUTIONS

被引：3
|
作者：
SALVATORE, F
VASCA, E
机构：
[1] Dipartimento di Chimica, Universitά di Napoli., 80134 Napoli
来源：
JOURNAL OF COORDINATION CHEMISTRY | 1990年 / 21卷 / 03期
关键词：
activity coefficients; carbonate; Cerium(III; IV); complexes; stability constants;
D O I：
10.1080/00958979009409721
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The stoichiometric composition of Cerium(III) and Cerium(IV) carbonato complexes in concentrated aqueous Na2CO3solutions has been investigated by emf measurements based on a junctionless cell. It is found that in the range of carbonate concentration between 2.084 m and 4.00 m, the prevailing species are the tetracarbonato cerium(III) and the esacarbonato cerium(IV) complexes. There is evidence that the large negative charge on the complexes is partially neutralized by Na+ ions. The above results rest upon an account of activity coefficients (which unavoidably vary by changing carbonate concentration ∣based on the Specific Interaction Theory. © 1990 Gordon and Breach Science Publishers S.A.
引用
收藏
页码：237 / 246
页数：10
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