Izvorni znanstveni članak
https://doi.org/10.5599/jese.502
Investigating products of titanium dissolution in the presence of fluoride ions with dual dynamic voltammetry
Noémi Kovács
orcid.org/0000-0002-7112-3396
; Department of Physical Chemistry, Laboratory of Electrochemistry and Electroanalytical Chemistry, Eötvös Loránd University, Pázmány Péter sétány 1/A, 1117 Budapest, Hungary
Laura Sziráki
; Department of Physical Chemistry, Laboratory of Electrochemistry and Electroanalytical Chemistry, Eötvös Loránd University, Pázmány Péter sétány 1/A, 1117 Budapest, Hungary
Soma Vesztergom
; Department of Physical Chemistry, Laboratory of Electrochemistry and Electroanalytical Chemistry, Eötvös Loránd University, Pázmány Péter sétány 1/A, 1117 Budapest, Hungary
Gyözö G. Láng
; Department of Physical Chemistry, Laboratory of Electrochemistry and Electroanalytical Chemistry, Eötvös Loránd University, Pázmány Péter sétány 1/A, 1117 Budapest, Hungary
Sažetak
Products of titanium dissolution in the active state are investigated in fluoride contain-ing 1 M H2SO4 solutions. The novel method of dual dynamic voltammetry, applied to Ti disk/Pt ring rotating ring–disk electrodes, is utilized for the simultaneous detection of different dissolution products. Potential regions where certain products (primarily, TiIII and H2) are formed are identified by a 3D electrochemical map constructed based on the ring–disk electrode measurements. Besides dissolution in the form of TiIII species and hydrogen evolution, the formation and prompt oxidation of TiII can also be presumed under the applied conditions.
Ključne riječi
Rotating ring–disk electrodes; electrochemical map; cyclic voltammetry; dental implant materials; corrosion
Hrčak ID:
200265
URI
Datum izdavanja:
15.5.2018.
Posjeta: 926 *