Investigations of polyelectrolyte-transition metal ion association in mixed solvents |
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Authors: | S K Chatterjee F H Rajabi B V Farahani N Chatterjee |
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Affiliation: | (1) Department of Chemistry, University of Delhi, 110007 Delhi, India |
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Abstract: | Summary Association between a typical polyelectrolyte, e.g. poly-(acrylic acid), and a divalent metal ion (e.g. Cu(II)) has been studied using different water-methanol mixtures. Preferential solvation coefficients ( /c) have been calculated for various solvent compositions. Excellent agreement has been observed between minimum ( /c), lowest ] and reduced viscosity ( sp/c) of the complexes at a specific composition of the solvent. Interpretations have been sought in terms of polyelectrolyte conformational change at this solvent composition. |
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