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Electric mobility of bivalent cations in the presence of an anionic polysaccharide

✍ Scribed by H. Magdelénat; P. Turq; M. Chemla; B. Para

Publisher
Wiley (John Wiley & Sons)
Year
1976
Tongue
English
Weight
525 KB
Volume
15
Category
Article
ISSN
0006-3525

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✦ Synopsis

Abstract

The electrophoretic mobilities of bivalent cations (Ca^++^ and Sr^++^) were measured in the presence of a linear anionic polysaccharide extracted from cartilage—chondroitin sulfate. The experimental results were analyzed according to Manning's treatment which involves only the charge‐density parameter ξ related to the structure of the polyion and the charge of the counterion. The comparison between the electrophoretic mobility and the self‐diffusion coefficient enabled us to determine the apparent charge of the counterions in the different domains of concentration.

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