Buchner, Richard and Salamanca, Yina P. and Blanco, Luis H. and Vargas, Edgar F. (2012) Electrical Conductivity Studies of Tetraalkylammonium Bromides in Aqueous Solutions at Several Temperatures. Journal of Chemical & Engineering Data 57 (8), pp. 2203-2010.
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The molar elec. conductivities of tetramethylammonium, tetraethylamonium, tetra-n-propylammonium, and tetra-n-butylammomium bromides in aq. solns. at (278.15, 283.15, 288.15, 293.15, and 298.15) K have been measured in the concn. range from (0.002 to 0.04) mol·kg-1. The data were analyzed according to the low-concn. chem. model (lcCM) of Barthel. Values of the limiting molar conductivities, Λ∞, and assocn. consts., KA, were evaluated. Using known values for the limiting molar cond. of bromide ion, the limiting molar conductivities of the tetraalkylammonium cations were evaluated at all temps. The Walden product and the Eyring activation enthalpy were calcd. The results are discussed in terms of solute-solvent interactions.
|Institutions:||Chemistry and Pharmacy > Institut für Physikalische und Theoretische Chemie > Chair of Chemistry VI - Physical Chemistry (Solution Chemistry) > PD Dr. Richard Buchner|
|Keywords:||elec cond tetraalkylammonium bromide aq soln|
|Subjects:||500 Science > 540 Chemistry & allied sciences|
|Refereed:||Yes, this version has been refereed|
|Created at the University of Regensburg:||Yes|
|Deposited On:||05 Oct 2012 05:38|
|Last Modified:||05 Oct 2012 05:38|