Abstract
DISCREPANCIES between experimental results and calculations from the Debye-Hückel equation are known to exist even at high dilution with salts of higher valency, as well as for univalent types in non-aqueous solvents. Gronwall, La Mer, and Sandved have assumed that the incomplete mathematical solution of the Poisson-Boltzmann equation as given by Debye and Hückel might explain part at least of the discrepancy. They deduce, as a further approximation, the equation for the activity coefficient of a salt of symmetrical valency type:
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Activity Coefficients and the Debye-Hückel Equation. Nature 128, 499 (1931). https://doi.org/10.1038/128499b0
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DOI: https://doi.org/10.1038/128499b0