Vapor-Liquid Equilibria, Density, and Speed of Sound of Aqueous Solutions of Sodium Dihydrogen Citrate or Disodium Hydrogen Citrate

被引：14

作者：

Sadeghi, Rahmat ^{[1
]}

Golabiazar, Roonak ^{[1
]}

Parsi, Elham ^{[1
]}

机构：

[1] Univ Kurdistan, Dept Chem, Sanandaj, Iran

来源：

JOURNAL OF CHEMICAL AND ENGINEERING DATA | 2010年 / 55卷 / 12期

关键词：

APPARENT MOLAR VOLUMES; POLYETHYLENE-GLYCOL; CITRIC-ACID; WATER; THERMODYNAMICS; COMPRESSIBILITY; ELECTROLYTES; TEMPERATURES; COEFFICIENTS; PRESSURE;

D O I：

10.1021/je100864e

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Vapor-liquid equilibrium data (water activity, vapor pressure, osmotic coefficient, and activity coefficient) of binary aqueous sodium dihydrogen citrate or disodium hydrogen citrate solutions were obtained through the isopiestic method at T = 298.15 K. Density and speed of sound measurements were carried out on the aqueous solutions of the mentioned electrolytes at T = (288.15 to 308.15) K at atmospheric pressure. From the experimental density and speed of sound data, the apparent molar volume and isentropic compressibility values were evaluated and fitted to the Pitzer equation from which the apparent molar volume and apparent molar isentropic compressibility of the solutions at infinite dilution were calculated at each temperature within the above-mentioned range.

引用

页码：5874 / 5882

页数：9

共 33 条

[1] A self-consistent multicomponent activity coefficient model for ionic micellar surfactant solutions [J].