EXCESS GIBBS FREE-ENERGIES OF (HEXANE PLUS BUTAN-2-OL) AND OF (CYCLOHEXANE PLUS BUTAN-2-OL) AT THE TEMPERATURES (323.15, 338.15, AND 348.15)-K

被引：13
|
作者：
ARAUJO, ME [1 ]
MACIEL, MRW [1 ]
FRANCESCONI, AZ [1 ]
机构：
[1] UNIV ESTADUAL CAMPINAS,FAC ENGENHARIA QUIM,DEPT ENGENHARIA SISTEMAS QUIM,CP 6066,BR-13081970 CAMPINAS,SP,BRAZIL
来源：
JOURNAL OF CHEMICAL THERMODYNAMICS | 1993年 / 25卷 / 11期
关键词：
D O I：
10.1006/jcht.1993.1129
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The (vapor + liquid) phase equilibria of (hexane + butan-2-ol) and of (cyclohexane + butan-2-ol) at the temperatures (323.15, 338.15 and 348.15) K have been measured using a Fischer recirculating still. Excess molar Gibbs free energies GEm and activity coefficients were calculated. Thermodynamic consistency was tested. Both mixtures exhibit positive GEm values over the entire composition range in the temperature range studied and an azeotrope exists at all three temperatures. © 1993 Academic Press Ltd.
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页码：1295 / 1299
页数：5
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