Study of Permanganate Ion Transfer Across an Electrified Water/Nitrobenzene Interface

Heli, H.; Shamsipur, M.; Mousavi, M.

Artykuł - szczegóły

Tytuł artykułu

Study of Permanganate Ion Transfer Across an Electrified Water/Nitrobenzene Interface

Autorzy

Heli H. , Shamsipur M. , Mousavi M.

Identyfikatory

Warianty tytułu

Języki publikacji

Abstrakty

The transfer of permanganate anion across a water/nitrobenzene interface has been studied by cyclic voltammetry and chronopotentiometry techniques. The diffusion coefficient of the species in aqueous phase was obtained by means of both cyclic voltammetry (DW = 2.75x10-5cm2 s-1) and chronopotentiometry (DW = 2.79x10-5cm2 s-1). The standard potential of transfer was obtained as deltaE0' = -198 mVand the transfer coefficient has also been calculated from the Tafel slope as alfa = 0.4. The effect of temperature on the ion transfer process was studied over a wide range (10-70 graduate C). The Gibbs activation energy of the ion transfer across the interface (deltaG = 12.09 kJ mol-1) and the Gibbs activation energy of ion transport in the bulk of aqueous solution (deltaG = 12.58 kJ mol-1) have been obtained from the temperature dependence of transfer rate data.

Słowa kluczowe

permanganate ion transfer water/nitrobenzene interface ITIES

Wydawca

Polskie Towarzystwo Chemiczne

Czasopismo

Polish Journal of Chemistry

Rocznik

2006

Tom

Vol. 80, nr 2

Strony

313--323

Opis fizyczny

Bibliogr. 35 poz.

Twórcy

autor

Heli H.

autor

Shamsipur M.

autor

Mousavi M.

Chemistry Department, Tarbiat Modarres University, P. O. Box: 14115-11, Tehran, Iran

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Typ dokumentu

Bibliografia

Identyfikator YADDA

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