On the effect of small ions in the dynamics of polyelectrolyte solutions
- 1 January 1985
- journal article
- Published by EDP Sciences in Journal de Physique Lettres
- Vol. 46 (24) , 1183-1189
- https://doi.org/10.1051/jphyslet:0198500460240118300
Abstract
The effect of small ions on the dynamics of polyelectrolyte solutions complements a preceding publication (J. Physique Lett. 46 (1985) L-207). Expressions for the polyion mutual diffusion coefficient are given as a function of polyelectrolyte and added salt concentrations. For small point-like ions, the classical expressions derived for uncharged systems are deduced. A quantitative illustration of these effects is given : good agreement with light scattering measurements on protein solutions is obtainedKeywords
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