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For the first time the differences in free energies have been experimentally determined for\udthe solvation of two enantiomeric ions in two enantiomeric solvents. Three-phase\udelectrodes consisting of a droplet of a solution of decamethylferrocene in a chiral solvent\ud(D- and L-2-octanol) attached to a graphite electrode and immersed in an aqueous solution\udcontaining chiral anions, allow the measurement of these data for the transfer of the\udenantiomeric ions across the water|chiral solvent interface. In all studied combinations the\udGibbs energy to transfer an L-ion from water to the L-solvent was equal to the Gibbs\udenergy of transfer of the D-ion from water to the D-solvent, and the same was found for\udthe transfer of a L-ion from water to the D-solvent and for the D-ion from water to the\udL-solvent. In all cases, the combinations D-anion/D-solvent and L-anion/L-solvent have\udsmaller standard Gibbs energies than the combinations D-anion/L-solvent and L-anion/\udD-solvent. This can be explained by less favourable interactions between an anion and a\udsolvent molecule in the latter cases

Gibbs energies of transfer of chiral anions across the interface water|chiral organic solvent determined with the help of three-phase electrodes