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Citation: Yu Ze-Mu, Zhao Yu-Guang, Wang Er-Kang. Electrochemical Investigation of Liquid/Liquid Systems Using Various Organic Solvents[J]. Acta Physico-Chimica Sinica, ;1991, 7(02): 152-157. doi: 10.3866/PKU.WHXB19910205 shu

Electrochemical Investigation of Liquid/Liquid Systems Using Various Organic Solvents

1.
Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Academia Sinica, Changchun 130022

Received Date: 25 December 1989
Available Online: 15 April 1991

The potential windows of the system water/pure solvent (W/P) and water/solvent mixtures(W/S) have been investigated by cyclic voltammetry with solvents whose dielectric constants lie between 5.67 and 34.82. In the presence of LiCl in the aqueous phase and tetrabutytammoniumtetraphenylborate(TBATPB) in the organic phase, the systems water/allyl iso-thiocyanate (W/AIT) and water/nitrobenzene (W/NB) show a same wide potential window. Thermodynamic parameters of ion transfer across W/AIT interface were determined. In systems of W/P and W/S the influence solvent effect on the standard Gibbs energies of transfer of ion Δ_o~wG_(tr,i)~p was discussed.
- Cyclic Voltammetry; Allyl iso-thiocyanate; Standard Gibbs energies of transfer; Solvent effects
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