Inhibitorska svojstava ekstrakta Rosmarinus officinalis L. na koroziju legure AA8011 u 1,0M HCl

Autori

  • Paul A. Andoor Federal University of Technology, Department of Physics, Owerri, Nigeria Autor
  • Kelechukwu B. Okeoma Federal University of Technology, Department of Physics, Owerri, Nigeria Autor
  • Uchenna S. Mbamara Federal University of Technology, Department of Physics, Owerri, Nigeria Autor

DOI:

https://doi.org/10.5937/zasmat2302204A

Ključne reči:

aluminijum, gubitak težine, korozija, Langmuir, magnetno polje

Apstrakt

Mehanizam adsorpcije Rosmarinus officinalis L. kao inhibitora korozije legure Al AA8801 u 1,0 M HCl proučavan je gravimetrijskom metodom i termodinamičkim studijama na 303, 313, 323 i 333 K. Koncentracije inhibitora su se kretale između 0 i 1000 mg/L. Rezultati pokazuju da se mehanizam adsorpcije Rosmarinus officinalis L. odvija putem fizisorpcije, generalno endotermne i praćena je rezultiraju im smanjenjem poremećaja. Efikasnost inhibitora je u velikoj meri opadala sa povećanjem temperature i smanjenjem koncentracije ekstrakta. Prisustvo spoljašnjeg magnetnog polja pojačalo je rastvaranje pasiviziraju ih Al2O3 filmova, čime je povećana brzina korozije.

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2023-06-15

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