Pregled bibliografske jedinice broj: 697824
Parametrization of impedance spectra of GC/H2SO4 electrode: trials and errors
Parametrization of impedance spectra of GC/H2SO4 electrode: trials and errors // Bulgarian chemical communications, 44 (2012), 4; 356-363 (međunarodna recenzija, članak, znanstveni)
CROSBI ID: 697824 Za ispravke kontaktirajte CROSBI podršku putem web obrasca
Naslov
Parametrization of impedance spectra of GC/H2SO4 electrode: trials and errors
Autori
Horvat-Radošević, Višnja ; Magdić, Katja ; Kvastek, Krešimir
Izvornik
Bulgarian chemical communications (0324-1130) 44
(2012), 4;
356-363
Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni
Ključne riječi
GC electrodes ; Electrochemical impedance spectroscopy ; Electrical equivalent circuits ; Parametrization
Sažetak
Impedance spectra of two differently prepared (polished and anodically oxidized) GC electrodes measured at +0.30 V vs. SCE in 0.5 mol dm-3 H2SO4 electrolyte have been analysed on the basis of presumed electrical equivalent circuit(s) and complex non-linear least square fitting procedure. Statistical analysis of model residuals and reliability of the estimated values of parameters were used as indicators for correct or incorrect modeling. In such a way, the polished GC electrode has been modeled using not-ideal capacitive element describing relatively flat surface, whereas anodically oxidized GC electrode has been modeled using not-ideal capacitive element loaded by transmision line element representing a porous surface structure.
Izvorni jezik
Engleski
Znanstvena područja
Kemija
POVEZANOST RADA
Ustanove:
Institut "Ruđer Bošković", Zagreb
Citiraj ovu publikaciju:
Časopis indeksira:
- Web of Science Core Collection (WoSCC)
- Science Citation Index Expanded (SCI-EXP)
- SCI-EXP, SSCI i/ili A&HCI
