Abstract
The method of capillary electrokinetics has for the first time been used to measure streaming current at high electrolyte concentrations. It has been shown that the streaming current is proportional to the applied pressure. At an electrolyte concentration of 1 M, the thickness of the diffuse layer is comparable with the size of a water molecule (0.3 nm); i.e., there is almost no diffuse layer. The existence of the streaming current in this case indicates that there are no hydrodynamically immobile layers near a smooth solid surface.
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Original Russian Text © I.P. Sergeeva, V.D. Sobolev, 2018, published in Kolloidnyi Zhurnal, 2018, Vol. 80, No. 5, pp. 587–590.
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Sergeeva, I.P., Sobolev, V.D. Electrokinetic Measurements at High Electrolyte Concentrations. Colloid J 80, 556–559 (2018). https://doi.org/10.1134/S1061933X18050162
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DOI: https://doi.org/10.1134/S1061933X18050162