• Application of a radioactive tracer method for diffusion study in some liquids

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    • Keywords


      Radioactive tracer; diffusion; electrolytes; liquid metals; Onsager’s coefficients

    • Abstract


      In this paper a radioactive tracer technique based on sliding cell method developed in our laboratory for the study of diffusion in liquids is presented in detail. This method consists of radioactive and non-radioactive liquid columns of equal length and the radiation detector is placed in a vertical geometry over the diffusion column. Some liquid metals and aqueous electrolyte solutions were studied by this method. The data of liquid metals like mercury and gallium have been analyzed from the point of view of hard sphere model and those of electrolyte solutions from phenomenological theories. Onsager’s coefficientsL11,L12,L22 have been calculated from the experimental data and the variation of diffusion with solute concentration has been explained from ion-ion interaction.

    • Author Affiliations


      H Chakraborti1 2 S N Changdar1

      1. Applied Radioactivity Unit, Physics Department, Bose Institute, Calcutta - 700 009, India
      2. SS and MP Division, Saha Institute of Nuclear Physics, 92, APC Road, Calcutta - 700 009, India
    • Dates

  • Pramana – Journal of Physics | News

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      Posted on July 25, 2019

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