Russian Journal of Electrochemistry

, Volume 36, Issue 8, pp 909–912 | Cite as

Voltammetry of maleic acid in aqueous and mixed environments

  • R. K. Kvaratskheliya
  • E. R. Kvaratskheliya
Short communications


The electrochemical behavior of maleic acid is studied on rotating disk electrodes and stationary electrodes of individual Cu, Cd, Pt, and Ta metals, Cu and Cd amalgams, and Cd alloys with Sn, Cu, In, Pb, Ni, and Ag in aqueous solutions and water mixtures with acetone, acetonitrile, ethanol, dimethylformamide, and pyridine. Basic kinetic parameters for the maleic acid reduction to succinic acid are determined. Depending on the solution composition, all three forms of maleic acid (nondissociated acid, monoanion, dianion) may undergo reduction. The difference between diffusion coefficients and kinetic reduction parameters of the acid and monoanion is insignificant and that of the monoanion and dianion is noticeable. This is due to an intramolecular hydrogen bond in the monoanion, which decreases the negative charge on its anion center. The effect the electrode nature and the mixed-media composition have on the maleic acid reduction kinetics is discussed


Succinic Acid Maleic Acid Water Mixture Rotate Disk Electrode Stationary Electrode 
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Copyright information

© MAIK “Nauka/Interperiodica” 2000

Authors and Affiliations

  • R. K. Kvaratskheliya
    • 1
  • E. R. Kvaratskheliya
    • 1
  1. 1.Agladze Institute of Inorganic Chemistry and Electrochemistry of Academy of Sciences of GeorgiaTbilisiGeorgia

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