Remarkable Enhancement of the Rate of Cathodic Reduction of Hydrocarbonate Anions at Palladium in the Presence of Caesium Cations | Zendy

SpichigerUlmann Martine | Zendy; Augustynski Jan | Zendy

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Remarkable Enhancement of the Rate of Cathodic Reduction of Hydrocarbonate Anions at Palladium in the Presence of Caesium Cations

Author(s) -

SpichigerUlmann Martine,

Augustynski Jan

Publication year - 1986

Publication title -

helvetica chimica acta

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.74

H-Index - 82

eISSN - 1522-2675

pISSN - 0018-019X

DOI - 10.1002/hlca.19860690313

Subject(s) - chemistry , caesium , palladium , electrochemistry , cathode , inorganic chemistry , ion , polarization (electrochemistry) , cathodic protection , electrode , catalysis , organic chemistry

Steady‐state polarization curves, representative of the electrochemical reduction of HCO 3 −ions at a smooth palladium cathode, obtained in CsHCO 3 and NaHCO 3 solutions, are compared. The net current densities, associated with the electroreduction of HCO 3 −anions, measured in 1M CsHCO 3 solution are shown to be up to 9 times larger than those observed in 1M NaHCO 3 solution. This result is interpreted in terms of a direct involvement of the Cs + cations in the reaction at the cathode through the formation of ion pairs with the HCO 3 −anions.

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