Physical and chemical properties of CaCl2/H2O and LiBr/H2O systems confined to nanopores of silica gels

被引：0
|
作者：
Aristov, YI
Tokarev, MM
Cacciola, G
Restuccia, G
DiMarco, G
Parmon, VN
机构：
来源：
NANOPHASE AND NANOCOMPOSITE MATERIALS II | 1997年 / 457卷
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T [工业技术];
学科分类号：
08 ;
摘要：
Here we present physical and chemical properties of CaCl2/H2O and LiBr/H2O systems confined to nanopores of silica gels. Sorption isobars, isosters and isotherms were measured at temperature 293 - 423K and vapor partial pressure 8 - 133 mbar. Specific heat of the systems was found as a function of temperature (300 - 400K) and sorbed water content (0 - 53 wt.%). Solidification/melting diagrams were measured over 170 - 320K temperature range at salt concentrations 0 - 50 wt.%. The results obtained evidenced a significant change in the thermodynamic properties of CaCl2/H2O and LiBr/H2O systems due to confinement to the silica gel micropores.
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页码：463 / 468
页数：6
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