LIQUID-VAPOR EQUILIBRIUM IN BINARY SYSTEMS BASED ON TETRAETHOXYSILANE.

被引：0

作者：

Chernaya, N.G.

Grinberg, E.E.

Efremov, A.A.

机构：

来源：

Journal of applied chemistry of the USSR | 1985年 / 58卷 / 4 pt 2期

关键词：

DISTILLATION - ORGANIC COMPOUNDS - Synthesis;

D O I：

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学科分类号：

摘要：

The authors examine liquid-vapor equilibrium in the binary systems tetraethoxysilane (TEOS)-triethoxyantimony and TEOS-tetraethoxygermanium. Data on liquid-vapor equilibrium in the system TEOS-TEOG and TEOS-triethoxyantimony are presented. The system TEOS-TEOG is ideal over the entire pressure and concentration ranges. The separation factor for this system is in the range 2. 84-3. 14, indicating fairly high efficiency of the distillation method for separation of these substances over the whole range of component concentrations. The system TEOS-triethoxyantimony is not ideal at the concentrations and pressures studied. The values of the activity coefficients calculated from the van Laar equation indicate moderated deviations from ideality in this system.

引用

页码：866 / 867

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