Calculate the electrokinetic potential of the sol particles from the following data obtained in experiments on electrophoresis. The dielectric constant of water is 81, methanol 34; the speed sign means the movement of particles ( ) to the anode, (-) to the cathode. The shape of the particles is assumed to be spherical.
task Dispersed phase and medium Particle movement velocity U, m/s Field gradient H, V/m viscosity μ, Pa*s
75 Prussian blue-water -2.00*10-5 600 0.001

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