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Transference Numbers in the H2O + NaCl + MgCl2 System at T = 298.15 K, Determined in a Five-Compartment Hittorf Cell

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Abstract

The concentration range of transference number measurements with the Hittorf cell has been extended up to a total concentration of c T = 3.4 mol·dm−3 for the H2O + NaCl + MgCl2 ternary system at (298.15 ± 0.05) °C. This was achieved with a redesigned Hittorf cell, by dividing each of the anodic/cathodic compartments into two subcompartments: one with a low concentration of H2O + NaCl for the electrode reaction and another one in contact with the middle compartment with the ternary solution to be measured. Measurements of the transference numbers were also made for the corresponding H2O + NaCl and H2O + MgCl2 binary systems. The experimental details and the results are described.

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  1. Institut fur Physikalische Chemie, RWTH Aachen, 52062, Aachen, Germany

    Hansjürgen Schönert

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  1. Hansjürgen Schönert
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Correspondence to Hansjürgen Schönert.

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Schönert, H. Transference Numbers in the H2O + NaCl + MgCl2 System at T = 298.15 K, Determined in a Five-Compartment Hittorf Cell. J Solution Chem 43, 26–39 (2014). https://doi.org/10.1007/s10953-012-9944-y

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  • DOI: https://doi.org/10.1007/s10953-012-9944-y

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