Abstract

Electrochemistry of saccharinate anion (sacc −) is studied at the liquid water|nitrobenzene (w|nb) interface by means of three-phase electrodes. Saccharinate anion can be effectively transferred across w|nb interface driven by the redox transformation of the lutetium bis(tetra-tert-butylphthalocyaninato), with a standard Gibbs energy of transfer from water to nitrobenzene of 20.17 kJ mol −1. The kinetics of transfer is estimated applying the quasireversible maximum. In addition, the influence of sacc − on the thermodynamics and kinetics of the alkali metal cations transfer is discussed.

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