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    • Ultrasonic absorption studies in some solutions of carboxylic-acids in dioxan

      K Srinivasa Manja A Srinivasa Rao

      Liquid Physics Volume 26 Issue 5 May 1986 pp 459-464

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      https://www.ias.ac.in/article/fulltext/pram/026/05/0459-0464

    • Keywords

       

      Ultrasonic absorption; hydrogen bond; dimer acids; volume viscosity

    • Abstract

       

      Ultrasonic absorption studies are carried out in carboxylic acid-dioxan mixtures for various concentrations at 30±0.1°C. The measured absorption is much higher than the classical absorption. The excess absorption initially increases with increase of carboxylic acid concentration, attains a maximum and then decreases with further increase in concentration. The related parameters such as volume viscosity, relaxation time and free energy difference between the two states (ΔF) have also been calculated. The results can be explained satisfactorily using Hall’s two-state model.

    • Author Affiliations

       

      K Srinivasa Manja1 A Srinivasa Rao1

      1. Department of Physics, Jawaharlal Institute of Postgraduate Medical Education and Research, Pondicherry - 605 006, India

    • Dates

       
      Published
      May 1986
      Manuscript received
      26 October 1985

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