Chemical Equilibria of Nickel Chloride in HCl Solution at 25°C

被引：0

作者：

Lee, Man Seung ^{[2
]}

Nam, Sang-Ho ^{[1
]}

机构：

[1] Mokpo Natl Univ, Dept Chem, Chungnam 534729, South Korea

[2] Mokpo Natl Univ, Dept Adv Mat Sci & Engn, Chungnam 534729, South Korea

来源：

BULLETIN OF THE KOREAN CHEMICAL SOCIETY | 2009年 / 30卷 / 10期

关键词：

NiCl2; HCl; Ionic equilibria; pH;

D O I：

暂无

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Chemical equilibria of nickel chloride in HCl solution at 25 degrees C were analyzed by considering chemical equilibria, mass and charge balance equations. The activity coefficients of solutes were calculated by using Bromley equation The necessary thermodynamic properties.. such as the equilibrium constant for the Formation of NiCl+ at zero ionic strength and interaction parameter, were evaluated by applying Bromley equation to the stability constant data reported in the literature It was found that most nickel exists as Ni2+ In HCl solution up to 5 molality HCl. The pH values of NiCl2-HCl-H2O system at 25 degrees C calculated in this study agreed well with the pH values measured by employing pH meter.

引用

页码：2203 / 2207

页数：5

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