Ultrasound propagation near the critical mixing point of sodium-ammonia solutions |
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Authors: | Werner W Schmidt KG Breitschwerdt |
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Institution: | Institut für Angewandte Physik, Universität Heidelberg, Heidelberg, Fed. Rep. Germany |
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Abstract: | Ultrasonic absorption and dispersion measurements near the critical mixing point of sodium-ammonia solutions are reported. The results are interpreted in terms of a coupling of the ultrasonic wave and mass diffusional modes. The critical behavior of sound propagation shows features not observed in organic binary mixtures. |
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