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Electrochemical Behaviour of Iron in Simulated Acid Rain in Presence of Achillea Millefolium L.


Pilić, Zora; Martinović, Ivana; Zlatić, Gloria
Electrochemical Behaviour of Iron in Simulated Acid Rain in Presence of Achillea Millefolium L. // International Journal of Electrochemical Science, 13 (2018), 6; 5151-5163 doi:10.20964/2018.06.29 (međunarodna recenzija, članak, znanstveni)


Naslov
Electrochemical Behaviour of Iron in Simulated Acid Rain in Presence of Achillea Millefolium L.

Autori
Pilić, Zora ; Martinović, Ivana ; Zlatić, Gloria

Izvornik
International Journal of Electrochemical Science (1452-3981) 13 (2018), 6; 5151-5163

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
Iron ; Achillea millefolium L. extract ; Simulated acid rain ; Electrochemical methods ; Atomic absorption spectrometry

Sažetak
The effect of the aqueous extract of Achillea millefolium L. (AM) on the electrochemical behaviour of iron in a simulated acid rain solution (pH 4.5) was studied by electrochemical techniques cyclic voltammetry, potentiodynamic polarization and electrochemical impedance spectroscopy. Experiments were carried out over a wide range of AM concentrations. The results of all techniques showed that AM extract contributes to iron passivation. The films formed in the presence of AM extract were thinner and more resistive then the films formed in pure simulated acid rain solution. The AM extract adsorbed on the iron according to the Freundlich isotherm. The thermodynamic data indicated physical adsorption of the AM extracts on the iron surface. The concentration of the metallic ions released into solution, measured by atomic absorption spectroscopy, was in accordance with the results obtained from the electrochemical techniques.

Izvorni jezik
Engleski



POVEZANOST RADA


Autor s matičnim brojem:
Zora Pilić, (225331)

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus


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