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  • 1
    Electronic Resource
    Electronic Resource
    Aqueous solutions of lithium hydroxide at various temperatures: Conductivity and activity coefficients (1979)
    Springer
    Journal of solution chemistry 8 (1979), S. 897-908 
    Details
    ISSN: 1572-8927
    Keywords: Electrolytic conductivity ; ion association ; mean activity coefficients ; alkali metal hydroxides
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract The conductivity of LiOH aqueous solutions has been determined at 15, 25, and 45°C. The data analysis showed that LiOH is a slightly associated electrolyte, its association increasing with temperature. The association constant and distance parameter obtained from the conductivity data were successfully employed to calculate the activity coefficients of the solutions. The same procedure applied to very precise conductivity data for NaOH aqueous solutions enabled us to assess the reliability of this method of calculation of activity coefficients up to 0.1m. The alkali metal hydroxides show a reverse trend in the way their properties change with cationic radius, as is the case for the fluorides with which they are compared.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00644886
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Mobilities and ion-pairing in LiB(OH)4 and NaB(OH)4 aqueous solutions. A conductivity study (1980)
    Springer
    Journal of solution chemistry 9 (1980), S. 617-625 
    Details
    ISSN: 1572-8927
    Keywords: Electrolytic conductivity ; ion association ; mean activity coefficients ; ion-water interactions ; lithium borate ; sodium borate
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract The conductivities of aqueous solutions of sodium borate at 25°C and lithium borate at various temperatures are reported. The conductivity of the B(OH) 4 − ion is 35.3 ±0.2 S-cm2-mole−1 at 25°C. The electrolytes are both associated, the lithium salt being more associated than the sodium salt. The mobilities and association constants obtained from the conductivity data agree with a model recently proposed for the H2O−B(OH) 4 − interactions. A discrepancy in the reported thermodynamic behavior of NaB(OH)4 aqueous solutions has been resolved by means of the association constants obtained in the present study. Thus the usefulness of the conductivity measurements to determine excess chemical potentials of binary electrolytes in dilute solution is again shown.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00649035
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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