Critical absorption in binary liquid systems |
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Authors: | S. G. Il’ina A. N. Gabyshev |
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Affiliation: | 1.Faculty of Physics,Moscow State University,Moscow,Russia |
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Abstract: | The refractive index of coexisting phases in two binary liquid systems, viz., perfluorodekalineheptane (PFD-H) and acetic anhydride-pentane (AA-P), in the vicinity of the critical consolution temperature of the system T c was measured. It was shown that it is possible to observe (using the refractometry method, if the instrument is updated appropriately) critical absorption phenomena; a surface layer enriched by perfluorodekaline (in the PFD-H system) and by pentane (in the AA-P system) occurs at the liquid-vapor interface near the critical consolute point under T > T c . |
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