4. Construct a zeta potential curve at the interface between a glass membrane and an aqueous KCl solution depending on the pore diameter of the membrane. The following experimental data were obtained using electroosmosis:
Pore diameter, µm 2 5 10 25
Volumetric velocity, ml/s 0.005 0.187 0.273 0.355

current strength is 20 mA, specific electrical conductivity of the medium is 0.0015 Ohm-1 • m-1. Other data, if necessary, should be taken from the reference book.

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