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Alkaloid Extract of Laurus Nobilis Leaves as Anti-oxidant and Corrosion Inhibitor for a Fe Alloy in an HCl Environment

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Resumo:Abstract In this study, an alkaloid was extracted from LN leaves. The AE was firstly evaluated as AO, by using a DPPH solution, and comparing it with a BHT standard solution. The AE, at 200 mg/mL, showed high efficiency as AO (93%). Furthermore, it was studied as a CI for an Fe alloy in HCl, at 25 ºC, with different C (1 to 5 ppm). The AE depicted the highest IE(%) of 92.42%, at 5 ppm. T effect on IE(%), for optimal C (5 ppm), was studied at 35, 45 and 55 ºC. The results revealed that the IE(%) decreased with higher T. Additionally, kinetic parameters, such as Ea*, (H* and (S*, were calculated.
Autores principais:AL-Saeed,Arwa H. M.
Outros Autores:Al-Sawaad,Hadi Z.; AL-Alyauie,Esraa A.
Assunto:AE LN AO corrosion inhibitors DPPH
Ano:2023
País:Portugal
Tipo de documento:artigo
Tipo de acesso:acesso aberto
Instituição associada:Fundação para a Ciência e Tecnologia
Idioma:inglês
Origem:SciELO Portugal

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