LIQUID-VAPOR EQUILIBRIUM IN BINARY SYSTEMS BASED ON TETRAETHOXYSILANE.

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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;
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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.
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页码：866 / 867
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