PROTONATION OF DIAZA-CROWN ETHERS AND CRYPTANDS IN AQUEOUS-SOLUTION STUDIED BY MEANS OF POTENTIOMETRIC AND CALORIMETRIC TITRATIONS

被引:8
|
作者
BUSCHMANN, HJ
CARVALHO, C
CLEVE, E
WENZ, G
SCHOLLMEYER, E
机构
[1] Deutsches Textilforschungszentrum Nord-West e. V. Frankenring 2
关键词
CROWN ETHERS; CRYPTANDS; PROTONATION; STABILITY CONSTANTS; THERMODYNAMIC PROPERTIES;
D O I
10.1080/00958979408024228
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Protonation of diazacrown ethers and cryptands in water was studied using potentiometric and calorimetric titrations. The potentimetric titrations were performed in two different ways. Calculated stability constants from both titrations were in good agreement with each other. Values of stability constants and reaction enthalpies give further insight into the structures of the mono- and bisprotonated ligands in solution.
引用
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页码:347 / 352
页数:6
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