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  • 1
    Electronic Resource
    Electronic Resource
    Instabilities in free diffusion boundaries of NaCl-sucrose-H2O solution at 25°C (1986)
    Springer
    Journal of solution chemistry 15 (1986), S. 811-826 
    Details
    ISSN: 1572-8927
    Keywords: Diffusion ; convection ; ternary system ; sucrose ; sodium chloride ; aqueous solutions
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract The four diffusion coefficients for the system sucrose (0.097M)-NaCl-(0.291M)-water at 25°C have been measured by the Gouy interferometric technique. The cross terms D12 and D21 are small However, if sucrose or NaCl are chosen as component 3 instead of water, one of the cross terms becomes very large. Several runs were used to test the McDougall analysis of gravitational instability in diffusion boundaries for three component systems. Growth of convective motions at the center and at the edges of the boundary have been observed that confirm the McDougall model.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00646089
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Diffusion of polyols in aqueous solution (1986)
    Springer
    Journal of solution chemistry 15 (1986), S. 1041-1049 
    Details
    ISSN: 1572-8927
    Keywords: Aqueous solutions ; nonelectrolyte ; polyols ; transport properties ; diffusion ; Gouy interferometry ; viscosity ; Solute-solute interactions
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract The diffusion coefficients of aqueous solutions of the polyols CH2OH-(CHOH)4-CH2OH (dulcitol, sorbitol, and myo-inositol) have been determinated using the Gouy interferometric method. Viscosity and density measurements have been carried out at the same temperature and concentration range for these and for mannitol. The concentration dependence of the diffusion coefficients are discussed in terms of solute-solute interactions with the help of thermodynamic literature data. Among the studied polyols, only dulcitol and myo-inositol exhibit a strong evidence for solute-solute interaction, whereas the other shows a preferential interaction with the solvent.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00645198
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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