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- Title
Electrokinetic Measurements in Highly Concentrated Solutions of Alkali Metal Chlorides.
- Authors
Sobolev, V. D.; Sergeeva, I. P.; Vasileva, E. R.
- Abstract
Capillary electrokinetics has been employed to measure the streaming current in solutions of alkali metal chlorides at electrolyte concentrations of 0.1 and 1 M. The results obtained have confirmed the earlier conclusion that there are no hydrodynamically immobile layers near a solid molecularly smooth surface. It has been shown that the magnitudes of the current and the calculated electrokinetic potential decrease in a series LiCl, NaCl, KCl, RbCl, and CsCl. In this series, the crystallographic radius increases and the radius of a hydrated ion decreases. The obtained dependences have led to a conclusion that the cations located near a negatively charged surface are unhydrated.
- Subjects
ALKALI metal chlorides; ZETA potential; CHLORIDES; ELECTROKINETICS
- Publication
Colloid Journal, 2022, Vol 84, Issue 6, p754
- ISSN
1061-933X
- Publication type
Article
- DOI
10.1134/S1061933X22700144