Interpretation with a Donnan-based concept of the influence of simple salt concentration on the apparent binding of divalent ions to the polyelectrolytes polystyrenesulfonate and dextran sulfate
Journal of Physical Chemistry
By: J.A. Marinsky, Robert F. Baldwin, and M.M. Reddy
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Abstract
It has been shown that the apparent enhancement of divalent metal ion binding to polyions such as polystyrenesulfonate (PSS) and dextran sulfate (DS) by decreasing the ionic strength of these mixed counterion systems (M2+, M+, X-, polyion) can be anticipated with the Donnan-based model developed by one of us (J.A.M.). Ion-exchange distribution methods have been employed to measure the removal by the polyion of trace divalent metal ion from simple salt (NaClO4)-polyion (NaPSS) mixtures. These data and polyion interaction data published earlier by Mattai and Kwak for the mixed counterion systems MgCl2-LiCl-DS and MgCl2-CsCl-DS have been shown to be amenable to rather precise analysis by this model. ?? 1985 American Chemical Society.
Suggested Citation
Marinsky, J., Baldwin, R.F., Reddy, M., 1985, Interpretation with a Donnan-based concept of the influence of simple salt concentration on the apparent binding of divalent ions to the polyelectrolytes polystyrenesulfonate and dextran sulfate: Journal of Physical Chemistry, v. 89, no. 24, p. 5303-5307, https://doi.org/10.1021/j100270a036.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Interpretation with a Donnan-based concept of the influence of simple salt concentration on the apparent binding of divalent ions to the polyelectrolytes polystyrenesulfonate and dextran sulfate |
| Series title | Journal of Physical Chemistry |
| DOI | 10.1021/j100270a036 |
| Volume | 89 |
| Issue | 24 |
| Publication Date | May 01, 2002 |
| Year Published | 1985 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Journal of Physical Chemistry |
| First page | 5303 |
| Last page | 5307 |