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Russian Journal of Physical Chemistry A

, Volume 93, Issue 6, pp 1171–1177 | Cite as

Numerically Calculating the Concentration and Temperature Dependences of the Electrical Conductivity of Aqueous Electrolyte Solutions

  • S. OdinaevEmail author
  • D. M. Akdodov
  • Kh. I. Idibegzoda
COLLOID CHEMISTRY AND ELECTROCHEMISTRY
  • 11 Downloads

Abstract

Kinetic equations are used to find analytical expressions for dynamic electrical conductivity \(\sigma (\omega )\) and electroelasticity modulus \( {\in} (\omega )\) under conditions where relaxing currents attenuate according to an exponential law. Along with the molecular parameters, the coefficients in the integrands contain potential energy \({{\Phi }_{{ab}}}(\left| {\vec {r}} \right|)\) of interaction and radial distribution function \({{g}_{{ab}}}(\left| {\vec {r}} \right|)\). Isofrequency electrical conductivities \(\sigma (\omega ,c,T)\) of aqueous solutions of LiCl, NaCl, KCl, and CsCl electrolytes are calculated numerically for a model solution. Explicit expressions for \({{\Phi }_{{ab}}}(\left| {\vec {r}} \right|)\) and \({{g}_{{ab}}}(\left| {\vec {r}} \right|)\) are found, along with the corresponding values of concentration С and temperature Т. The results from numerical calculations are in satisfactory agreement with experimental findings.

Keywords:

electrical conductivity electroelasticity modulus friction coefficient relaxation time intermolecular potential radial distribution function 

Notes

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Copyright information

© Pleiades Publishing, Ltd. 2019

Authors and Affiliations

  • S. Odinaev
    • 1
    Email author
  • D. M. Akdodov
    • 2
  • Kh. I. Idibegzoda
    • 1
  1. 1.Umarov Physicotechnical Institute, Academy of Sciences of the Republic of TajikistanDushanbeTajikistan
  2. 2.Tajik National UniversityDushanbeTajikistan

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