Abstract

The equilibrium molalities of Tl + in the system {Tl 2SO4+Na2SO4+H2SO4+D2EHMTPA+n-C8H18+water} were measured at ionic strength from 0.1 mol/g in the aqueous phase containing Na2SO4 as a supporting electrolyte and at constant initial molality of extractant, in the organic phase at temperatures from 278.15 to 303.15 K. The standard extraction constants K0 at various temperatures were obtained by extrapolation and polynomial approximation methods. Thermodynamic properties for the extraction process were calculated.

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