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Abstract
The molar conductivities Λ of n-tetrabutylammonium bromide, n-tetrabutylammonium nitrate, n-tetrabutylammonium thiocyanate and n-tetrabutylammonium acetate solns. in 1-propoxy-2-propanol (PnP) have been measured. The temp. and concn. range covered is from 248.15 to 313.15 K and 0.18 × 10-3 to 6.4 × 10-3 mol L-1, resp. Accurate viscosity, d. and permittivity data were addnl. detd. for the pure ...
Abstract
The molar conductivities Λ of n-tetrabutylammonium bromide, n-tetrabutylammonium nitrate, n-tetrabutylammonium thiocyanate and n-tetrabutylammonium acetate solns. in 1-propoxy-2-propanol (PnP) have been measured. The temp. and concn. range covered is from 248.15 to 313.15 K and 0.18 × 10-3 to 6.4 × 10-3 mol L-1, resp. Accurate viscosity, d. and permittivity data were addnl. detd. for the pure solvent. Data anal. was performed on the basis of the low concn. Chem. Model (lcCM), including short-range forces. Values for the limiting molar conductivities (Λ∞) and the assocn. consts. KA are derived. Thermodn. results on the ion-pair formation process are discussed in terms of coulombic and non-coulombic forces by an appropriate splitting of the Gibbs free energy.
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