Equilibria between Ag+ and aza-crown ethers

被引：0
|
作者：
Ossowski, T [1 ]
Trokowski, R [1 ]
Rogowska, D [1 ]
Kira, J [1 ]
机构：
[1] Univ Gdansk, Dept Chem, PL-80952 Gdansk, Poland
来源：
POLISH JOURNAL OF CHEMISTRY | 2001年 / 75卷 / 03期
关键词：
silver(I); monaza-crown-ether complexes in organic solvents;
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Complex-formation equilibria of silver(I) ions and aza-crown ethers and aliphatic amines were studied in acetonitrile, propylene carbonate, and methanol by the potentiometric method. It was found that AgL+ and AgL2+ species (L denoting the organic ligand) are formed. The stability constants of the complexes with crown ethers are greater compared to those with amines. It was found that solvent composition and cavity size of macrocyclic polyethers influence significantly the stability constants of the complexes formed. The difference in stability constants for various crown polyethers is discussed in terms of possible structure of the complexes.
引用
收藏
页码：345 / 353
页数：9
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