Transport properties of aqueous solutions of sodium alginate at 298.15 K |
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| Authors: | Ana C.F. Ribeiro,A.J.F.N. Sobral,S.M.N. Simõ es,Marisa C.F. Barros,Victor M.M. Lobo,Ana M.T.D.P.V. Cabral,Francisco J.B. Veiga,Cecilia I.A.V. Santos,Miguel A. Esteso |
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| Affiliation: | 1. Department of Chemistry, University of Coimbra, 3004 – 535 Coimbra, Portugal;2. Departamento de Química Física, Facultad de Farmacia, Universidad de Alcalá 28871, Alcalá de Henares Madrid, Spain;3. Faculty of Pharmacy, University of Coimbra, 3000-295 Coimbra, Portugal |
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| Abstract: | Mutual diffusion coefficients (interdiffusion coefficients) of sodium alginate in aqueous dilute solutions, at concentrations from 0.001 to 0.500 g mL−1 and at 298.15 K, alone and in combination with caffeine, using an open-ended conductimetric capillary cell, have been measured. These results are discussed in the light of structural analysis conducted by means of theoretical calculations (molecular mechanics). |
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| Keywords: | Diffusion coefficient Electrolytes Alginate Caffeine Solutions Transport properties |
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