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J Hazard Mater. 2010 Aug 15;180(1-3):259-63. doi: 10.1016/j.jhazmat.2010.04.023. Epub 2010 Apr 14.

Investigation of the electroreduction of silver sulfite complexes by means of electrochemical FFT impedance spectroscopy.

Author information

1
Department of Physical Chemistry, Vilnius University, Naugarduko, Vilnius, Lithuania. ausra.valiuniene@chf.vu.lt

Abstract

The electroreduction kinetics of silver sulfite complexes was investigated by electrochemical fast Fourier transform (FFT) impedance spectroscopy (0.061-1500 Hz). The time dependences of the real and imaginary components of impedance were determined in a solution containing 0.05 M Ag (I) and 1M Na(2)SO(3). The mean duration of silver ad-atom diffusion on the surface to the nearest crystallization centre was calculated: during the first 210 s of contact with the electrolyte, these values increase from 0.66 up to 1.77 s; thereafter, this variation stabilizes and the mean duration of silver ad-atom diffusion reaches an almost constant value (1.56 s).

PMID:
20444545
DOI:
10.1016/j.jhazmat.2010.04.023
[Indexed for MEDLINE]

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