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AbstractAbstract
[en] Experimental studies of the solubility isotope effect in the carbon dioxide/tetrachloromethane system under high pressure showed an unexpected strong dependence of the separation factor on the equilibrium conditions. A multiple reversal of the sign of the isotope effect is possible, not only by changing the temperature, but also by changing the pressure. The present experimental results are in agreement with the results of a recently developed calculation method for such isotope effects which are derived up to high pressures directly from the change of the molecular symmetry and the virial coefficients. These quantities are accessible theoretically and in certain cases also experimentally
Original Title
Zur Druckabhaengigkeit des Isotopieeffekts bei Verteilungsgleichgewichten - experimentelle und theoretische Untersuchungen an Modellsystemen
Primary Subject
Source
Akademie der Wissenschaften der DDR, Leipzig. Zentralinstitut fuer Isotopen- und Strahlenforschung; 340 p; Jun 1980; p. 211-224; 2. workshop on isotopes in nature; Leipzig, German Democratic Republic; 5 - 9 Nov 1979
Record Type
Report
Literature Type
Conference
Report Number
Country of publication
ALKANES, CARBON COMPOUNDS, CARBON ISOTOPES, CARBON OXIDES, CHALCOGENIDES, DIAGRAMS, EVEN-EVEN NUCLEI, EVEN-ODD NUCLEI, HYDROCARBONS, HYDROGEN ISOTOPES, INFORMATION, ISOTOPES, LIGHT NUCLEI, NUCLEI, ODD-ODD NUCLEI, ORGANIC CHLORINE COMPOUNDS, ORGANIC COMPOUNDS, ORGANIC HALOGEN COMPOUNDS, OXIDES, OXYGEN COMPOUNDS, PHYSICAL PROPERTIES, STABLE ISOTOPES, THERMODYNAMIC PROPERTIES
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