Partial molar volumes of organic solutes in water.: IV.: Benzoic and hydroxybenzoic acids at temperatures from T=298 K to T=498 K and pressures up to 30 MPa

被引:0
|
作者
Jedelsky, J [1 ]
Hnedkovsky, L [1 ]
Hyncica, P [1 ]
Cibulka, I [1 ]
机构
[1] Inst Chem Technol, Dept Phys Chem, CR-16628 Prague, Czech Republic
来源
JOURNAL OF CHEMICAL THERMODYNAMICS | 2000年 / 32卷 / 10期
关键词
partial molar volume; aqueous benzoic acid; aqueous hydroxybenzoic acid; high temperature; high pressure;
D O I
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中图分类号
O414.1 [热力学];
学科分类号
摘要
Density data for dilute aqueous solutions of benzoic acid and three hydroxybenzoic acids obtained in the temperature range 298.15 K to 498.15 K and at either atmospheric pressure or at pressures close to the saturated vapour pressure of water and at elevated pressures up to 30 MPa are presented along with partial molar volumes calculated from the experimental data. The data were obtained by using both a high-temperature high-pressure flow vibrating-tube densimeter and a commercial vibrating-tube cell DMA 602HT. (C) 2000 Academic Press.
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页码:1299 / 1310
页数:12
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