Journal
JOURNAL OF CHEMICAL THERMODYNAMICS
Volume 71, Issue -, Pages 14-18Publisher
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jct.2013.11.019
Keywords
Diffusion coefficient; Sodium hyaluronate electrolytes; Solutions; Taylor dispersion; Transport properties
Categories
Funding
- FCT [(FEDER)-PTDC/AAC-CLI/098308/2008, PTDC/AAC-CLI/118092/2010]
- Fundacao para a Ciencia e Tecnologia
- Fundação para a Ciência e a Tecnologia [PTDC/AAC-CLI/118092/2010] Funding Source: FCT
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The Taylor dispersion technique has been used for measuring mutual diffusion coefficients of sodium hyaluronate in aqueous solutions at T = 298.15 K, and concentrations ranging from ( 0.00 to 0.50) g . dm (3). The results are interpreted on the basis of Nernst, and Onsager and Fuoss theoretical equations. From the diffusion coefficient at infinitesimal concentration, the limiting ionic conductivity and the tracer diffusion coefficient of hyaluronate ion were estimated. These studies have been complemented by molecular mechanics calculations. (C) 2013 Elsevier Ltd. All rights reserved.
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