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Evaluation of the Static Permittivity of Aqueous Electrolytes

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Abstract

The static (relative) permittivity of aqueous electrolyte solutions at 25 °C, ε(ω = 0) where ω is the frequency of the external field, has been obtained from the literature. The limiting dielectric decrements δ = − lim(c → 0)dε/dc, where c is the electrolyte concentration (≤ 1 mol·dm−3), are tabulated. The most appropriate additive individual ionic δ i values are derived. The effect of ion pairing in the solutions is briefly discussed.

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Correspondence to Yizhak Marcus.

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Marcus, Y. Evaluation of the Static Permittivity of Aqueous Electrolytes. J Solution Chem 42, 2354–2363 (2013). https://doi.org/10.1007/s10953-013-0105-8

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  • DOI: https://doi.org/10.1007/s10953-013-0105-8

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