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Electrooxidation of organic substances on a platinum electrode. Communication 1. General shape of the potentiostatic curves and nature of the inhibition of the electrochemical oxidation processes

  • Physical Chemistry
  • Published:
Bulletin of the Academy of Sciences of the USSR, Division of chemical science Aims and scope

Conclusions

  1. 1.

    In the oxidation of various organic substances on a smooth platinum electrode, inhibition of the oxidation process is observed in the potential regions 0.55–0.8; 0.9–1.1; 1.3–1.6 V with respect to the normal hydrogen electrode in the same solutions in which a change in the state of the electrode surface as a result of oxygen adsorption is detected by various methods.

  2. 2.

    The characteristic shape of the potentiostatic polarization curves of the oxidation of organic substances and the kinetic inhibition of the oxidation processes result from changes in the state of the electrode surface during the adsorption of oxygen.

  3. 3.

    The rate of the electrooxidation drops exponentially as the amount of adsorbed oxygen increases.

  4. 4.

    In the oxidation of carboxylic acids, alcohols, and aldehydes, the value ofβ is close to 0.5, both for a surface free of oxygen and in the presence of adsorbed oxygen.

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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 9, pp. 1531–1539, September, 1965

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Khazova, O.A., Vasil'ev, Y.B. & Bagotskii, V.S. Electrooxidation of organic substances on a platinum electrode. Communication 1. General shape of the potentiostatic curves and nature of the inhibition of the electrochemical oxidation processes. Russ Chem Bull 14, 1500–1506 (1965). https://doi.org/10.1007/BF01083788

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  • DOI: https://doi.org/10.1007/BF01083788

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