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Admittance Analysis at Electrochemical Quartz Crystal Microbalance in Fast Dynamic Measurements

Plausinaitis D., Raudonis R., Daujotis V.

Polish Journal of Chemistry

2000

Vol. 74, nr 4

559-565

A method is proposed for measuring admittance in cyclic voltammetry at an electrochemical quartz crystal microbalance. The main idea of this method is to measure admittance spectrum in a series of repetitive potential cycles by using one perturbing frequency in one potential cycle.

EQCM study of charge transfer during cadmium underpotential deposition on platinum electrodes from acidic aqueous solutions

Daujotis V.

Polish Journal of Chemistry

1998

Vol. 72, nr 11

2432-2439

The potential dependence of the formal partial charge number for cadmium(II) underpotential deposition (upd) on platinum was obtained, using electrochemistry and piezoelectric microgravimetry. The comparison of this dependence with the formal partial charge number, calculated on the basis of earlier proposed mechanism of cadmium(II) upd, supports this mechanism, according to it the electrosorption valency for the cadmium(II) adsorption on platinum equals 1 and 2.