Activity coefficients and volumetric properties for the NaBr plus maltose plus water system at 298.15 K

被引：16
|
作者：
Zhuo, K [1 ]
Zhang, HH [1 ]
Wang, YP [1 ]
Liu, Q [1 ]
Wang, JJ [1 ]
机构：
[1] Henan Normal Univ, Sch Chem & Environm Sci, Henan 453007, Peoples R China
来源：
JOURNAL OF CHEMICAL AND ENGINEERING DATA | 2005年 / 50卷 / 05期
关键词：
D O I：
10.1021/je050064v
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Activity coefficients and volumetric properties for the NaBr + maltose + water system were determined at 298.15 K by cell potential and density measurements, respectively. The activity coefficients were evaluated respectively from the cell potential data using the Debye-Huckel and the Pitzer equations, and they are in quite agreement with each other. Infinite-dilution apparent molar volumes for maltose (V-Phi(0),(S)) in aqueous NaBr and those for NaBr (V-Phi,E(0)) in aqueous maltose were evaluated, respectively. Free energy and volumetric interaction parameters (g(ES) and v(ES)) were also obtained. These results were discussed in terms of the stereochemistry of saccharide molecules and the group additivity model.
引用
收藏
页码：1589 / 1595
页数：7
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