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Kinetic study of the oxidations with cerium(IV) ions by the dropping mercury, rotating platinum, and vibrating platinum electrodes

Ľ. Treindl and S. Masaryková

Department о/ Physical Chemistry, Faculty of Natural Sciences, Komenský University, 801 00 Bratislava

 

Abstract:  In this paper the results of the kinetic measurements of the oxidation of hydrazine with Ce(IV) ions obtained polarographically by using the dropping mercury, rotating platinum, and vibrating platinum electrodes are compared and, on the other hand, the results of Polarographie kinetic measurements are confronted with the results obtained spectrophotometrically. These comparisons show good agreement between the measured values of the rate constants and activation parameters (activation enthalpy  ΔH and activation entropy ΔS  ) obtained by independent procedures. The most accurate results in the Polarographie procedures were obtained by using the vibrating platinum electrode.

Full paper in Portable Document Format: 283a302.pdf

 

Chemical Papers 28 (3) 302–305 (1974)

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