Charge transfer across the water/nitrobenzene interface by three-electrode system
Data(s) |
2002
|
---|---|
Resumo |
A droplet of aqueous solution containing a certain molar ratio of redox couple is first attached onto a platinum electrode surface, then the resulting drop electrode is immersed into the organic solution containing very hydrophobic electrolyte. Combined with reference and counter electrodes, a classical three-electrode system has been constructed, Ion transfer (IT) and electron transfer (ET) are investigated systematically using three-electrode voltammetry. Potassium ion transfer and electron transfer between potassium ferricyanide in the aqueous phase and ferrocene in nitrobenzene are observed with potassium ferricyanide/potassium ferrocyanide as the redox couple. Meanwhile, the transfer reactions of lithium, sodium, potassium, proton and ammonium ions are obtained with ferric sulfate/ferrous sulfate as the redox couple. The formal transfer potentials and the standard Gibbs transfer energy of these ions are evaluated and consistent with the results obtained by a four-electrode system and other methods. |
Identificador | |
Idioma(s) |
英语 |
Fonte |
Yuan Y;Gao Z;Zhang MQ;Zhang ZQ;Shao YH.Charge transfer across the water/nitrobenzene interface by three-electrode system,SCIENCE IN CHINA SERIES B-CHEMISTRY,2002,45(5):494-502 |
Palavras-Chave | #ION TRANSFER-REACTIONS #LIQUID INTERFACE #LIQUID/LIQUID INTERFACES #NITROBENZENE #VOLTAMMETRY #WATER |
Tipo |
期刊论文 |