• H Chakraborti

      Articles written in Pramana – Journal of Physics

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

      H Chakraborti S N Changdar

      More Details Abstract Fulltext PDF

      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.

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