Density and volume properties of ethane-1,2-diol+1,2-dimethoxyethane plus water ternary mixtures from-10° to 80°C

被引:14
|
作者
Baraldi, P
Franchini, GC
Marchetti, A
Sanna, G
Tassi, L
Ulrici, A
Vaccari, G
机构
[1] Univ Modena, Dept Chem, I-41100 Modena, Italy
[2] Univ Sassari, Dept Chem, I-07100 Sassari, Italy
关键词
density; ternary mixtures; excess molar volumes; ethane-1,2-diol; 1,2-dimethoxyethane; water;
D O I
10.1023/A:1005185001017
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Thermodynamic interactions in the ethane-1,2-diol (1) + 1,2-dimethoxyethane (2) + water (3) ternary system have been investigated in terms of the excess molar volume, derived from density measurements at 19 different temperatures from -10 degrees to 80 degrees C. Fourteen three-component mixtures have been considered, covering the entire composition range. The excess molar volumes are discussed in terms of conformational changes induced in each component by the presence of another one. The results obtained support the hypothesis of the absence of any three-component complex adducts under all experimental conditions investigated.
引用
收藏
页码:489 / 504
页数:16
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