Measurement of diffusion coefficients in multicomponent gas mixtures by the reversed-flow technique |
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| Authors: | G Karaiskakis N A Katsanos A Niotis |
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| Institution: | (1) Physical Chemistry Laboratory, University of Patras, Patras, Greece |
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| Abstract: | Summary The reversed-flow method for measurement of gas diffusion coefficients in binary mixtures is now extended to simultaneous determination of effective diffusion coefficients for each substance in a multicomponent gas mixture. The method is applied to six ternary mixtures, each consisting of two gaseous hydrocarbons and H2, He or N2. The results are in agreement with a limiting case of the Stefan-Maxwell equations. |
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| Keywords: | Diffusion coefficients Reversed-flow GC Multicomponent diffusion |
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