The step dissociation constants of ethylenediamine-N,N′-diacetic-N,N′-dipropionic and ethylenediamine-N,N,N′,N′-tetrapropionic acids

被引：0
|
作者：
S. N. Gridchin
机构：
[1] Ivanovo State University of Chemical Technology,
来源：
Russian Journal of Physical Chemistry A | 2009年 / 83卷
关键词：
Ionic Strength; Vasil; Potassium Hydroxide; Background Electrolyte; Zwitterion;
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学科分类号：
摘要：
The step dissociation constants of ethylenediamine-N,N′-diacetic-N,N′-dipropionic and ethylenediamine-N,N,N′,N′-tetrapropionic acids at 298.15 K and ionic strengths of 0.1, 0.5, and 1.0 (KNO3) were determined potentiometrically. The results were extrapolated to zero ionic strength by the equation with one individual parameter. The thermodynamic constants of dissociation were calculated. The results are compared with the corresponding data on related compounds.
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页码：41 / 44
页数：3
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