Densimetric and ultrasonic characterization of pentaerythritol in water and in aqueous NaCl and MgCl2 solutions at different temperatures

被引：8

作者：

Krakowiak, Joanna ^{[1
]}

机构：

[1] Gdansk Univ Technol, Fac Chem, PL-80233 Gdansk, Poland

来源：

JOURNAL OF CHEMICAL THERMODYNAMICS | 2012年 / 54卷

关键词：

Density; Sound velocity; Apparent molar volume; Apparent molar isentropic compressibility; Pentaerythritol; Salts; APPARENT MOLAL VOLUMES; REFRACTIVE-INDEX; ISENTROPIC COMPRESSIBILITY; MAGNESIUM-CHLORIDE; HEAT-CAPACITIES; POLYOLS; ACIDS;

D O I：

10.1016/j.jct.2012.05.033

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The densities at T = (293.15, 298.15, 303.15, 308.15, 310.15, and 313.15) K and sound velocities at T = (298.15 and 310.15) K have been measured for pentaerythritol in pure water and in (1, 5, and 10) wt% aqueous solutions of sodium and magnesium chloride. From these data apparent molar volumes, V-Phi, and the apparent molar isenotropic compressibilities, K-S,K-Phi, of the polyol have been determined. The limiting apparent molar quantities and corresponding transfer parameters were also obtained and discussed in terms of various solute-solvent and solute-cosolute interactions. (C) 2012 Elsevier Ltd. All rights reserved.

引用

页码：444 / 452

页数：9

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