Conductivity studies of sodium iodide in pure tetrahydrofuran and aqueous binary mixtures of tetrahydrofuran and 1,4-dioxane at 298.15 K

Abstract

Electrical conductance measurements are reported for sodium iodide (NaI) in water + tetrahydrofuran (THF) and water + 1,4-dioxane binary mixtures at 298.15 K. The conductance data have been analyzed by the Fuoss conductance–concentration equation in terms of the limiting molar conductance (Λ 0), the association constant (K A) and the distance of closest approach of ions (R). Furthermore, the conductance data for pure THF have also been analyzed by the Fuoss–Kraus theory and the values of the ion-pair and triple-ion formation constants are calculated.