Solubility of Sodium Naphthalene Disulfonate in Aqueous Solutions of Sulfuric Acid

被引：7

作者：

Zhao, Hong-Kun ^{[1
]}

Zhang, Fang ^{[1
]}

机构：

[1] Yangzhou Univ, Coll Chem & Chem Engn, Yangzhou 225002, Jiangsu, Peoples R China

来源：

JOURNAL OF CHEMICAL AND ENGINEERING DATA | 2010年 / 55卷 / 09期

关键词：

D O I：

10.1021/je100020v

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The solubilities of sodium 2,6-naphthalene disulfonate and sodium 2,7-naphthalene disulfonate in aqueous solutions of sulfuric acid were measured in the temperature range from (283.15 to 333.15) K by a steady-state method. The solubility of sodium 2,6-naphthalene disulfonate or sodium 2,7-naphthalene disulfonate increases with the increase in temperature from (283.15 to 333.15) K. With the increase in sulfuric acid concentrations, the solubilities of sodium 2,6-naphthalene disulfonate and sodium 2,7-naphthalene disulfonate decrease. At the same temperature and in the same composition of sulfuric acid water solvent mixtures, the solubility of sodium 2,7-naphthalene disulfonate is larger than that of sodium 2,6-naphthalene disulfonate. Results of these measurements were correlated by a modified Apelblat equation.

引用

页码：3955 / 3957

页数：3

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