✦ LIBER ✦

Activity coefficients of small ions in aqueous mixtures of polyelectrolytes and simple electrolytes

✍ Scribed by M. Rinaudo; M. Milas

Publisher: Elsevier Science
Year: 1976
Tongue: English
Weight: 343 KB
Volume: 41
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(76)85392-4

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✦ Synopsis

The activity coefficients of coions Cl-, of counterions NaT and Ca*+ have been determined on Na-carboxymethylcelIulose-N&i and Ca-carboxymethylcellulose-CzClz systems for two charge densities of the polyelectrolytes (&,=.rched = 1.38 and 3.45); the mean activity coefficients of the external salt are then deduced. Their variations with the equivalent ratio X are investigated and the experimental values are compared to the theoretical ones @en by the Manning treatment.

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