INVESTIGADORES
LACCONI Gabriela Ines
artículos
Título:
Study of thiourea adsorption onto polycrystalline gold electrodes
Autor/es:
G. GARCÍA; V.A. MACAGNO; G. I. LACCONI*
Revista:
PORTUGALIAE ELECTROCHIMICA ACTA
Editorial:
PERGAMON-ELSEVIER SCIENCE LTD
Referencias:
Año: 2003 vol. 48 p. 1273 - 1277
ISSN:
0872-1904
Resumen:
Cyclic voltammetry, differential capacity determinations and chronocoulometry have been employed for quantitative study of
thiourea (TU) adsorption at polycrystalline gold/aqueous KClO4
solution interface. The film pressure and the Gibbs surface excess
are determined as functions of potential. The thermodynamic data suggest that the adsorbed TU exhibits distinct surface states
which appear when the TU concentration is increased and the potential is more positive.
