| 摘要 |
<p>A method of determining the activation energy of viscous flow by the temperature dependency of the electrical conductivity of an aqueous electrolyte solution during electrolysis comprises measuring temperature during an electrophoresis process, measuring electrical conductance during the process, and evaluating the measurement data using an Arrhenius-like temperature dependency of the diffusion coefficient with the Stokes Einstein equation, and Debye Huckel Theory. Because of an Arrhenius-like temperature dependency of the diffusion coefficient, a mathematical calculation results in a temperature relationship of viscosity of liquid as an activated process with a pre-exponential factor. In consideration of Debye Huckel Theory the combining of this temperature dependency of viscosity with the electrophoretical mobility yields a graph for the conductivity featured by a distinct maximum at the temperature Tmax. This effect is due to the special kinematic situation in this temperature range with the kinetic energy of the medium`s particles surpassing the activation energy of viscous flow in the liquid. By experimental measurement of the temperature Tmax one can determine the activation energy of viscous flow of the solution system.</p> |
