Electrochemical Hydrogenation Mechanism of 6-Amino-5-nitroso- 1,3-dimethyluracil on Pt Electrode

Abstract

Abstract: The electrochemical hydrogenation mechanism of 6-amino-5-nitroso-1,3-dimethyluracil on Pt electrode was studied by steady state polarization, cyclic voltammetry and constant-potential coulometry. One irreversible peak was found in the range of -600_-800 mV(vs. Hg/Hg₂SO₄) by cyclic voltammetry in pH=3 aqueous solution. The number of electrons involved in the electrochemical reaction was 4. One electron and one hydrogen ion were involved in the rate-determined step of electron transfer process. The reaction was controlled by diffusion and the reaction rate increased with increasing temperature and stirring speed and with decreasing pH.

Key words: Electrochemical hydrogenation, Cyclic voltammetry, 6-Amino-5-nitroso-1,3-dimethyluracil(ANDMU)

CLC Number:

O646

TrendMD:

ZHENG Xiang-Long, HU Xi-En . Electrochemical Hydrogenation Mechanism of 6-Amino-5-nitroso- 1,3-dimethyluracil on Pt Electrode[J]. Chem. J. Chinese Universities, 2004, 25(12): 2331.

References

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