Corrosion inhibition properties of a green hybrid pigment based on Pr-Urtica Dioica plant extract

[Display omitted] •An advanced anticorrosive inorganic/organic nanopigment based on praseodymium nitrate (PrN)/Urtica Dioica (UrDi) was synthesized and characterized.•The generation of chemical complex between PrN cations and UrDi functional groups was proved using various methods.•The PrN-UrDi hybr...

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Bibliographic Details
Published in:Journal of industrial and engineering chemistry (Seoul, Korea) 2018, 66(0), , pp.116-125
Main Authors: Motamedi, M., Ramezanzadeh, B., Mahdavian, M.
Format: Article
Language:English
Subjects:
EIS
Hybrid green inhibitor
Praseodymium nitrate
Urtica Dioica
XPS
화학공학
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Summary:[Display omitted] •An advanced anticorrosive inorganic/organic nanopigment based on praseodymium nitrate (PrN)/Urtica Dioica (UrDi) was synthesized and characterized.•The generation of chemical complex between PrN cations and UrDi functional groups was proved using various methods.•The PrN-UrDi hybrid green complex had significant inhibitive action for steel substrate in NaCl solution. The main aim of this research is studying the corrosion inhibition properties of the combination of praseodymium nitrate (PrN) and Urtica Dioica (UrDi) on mild steel in sodium chloride solution. Fourier transform infrared (FT-IR), ultraviolet-visible (UV-Vis), thermogravimetric analysis/differential thermogravimetry (TGA/DTG) and X-ray photoelectron spectroscopy (XPS) results confirmed complex formation between Pr cations and UrDi (Pr-UrDi). Electrochemical results revealed that the Pr-UrDi hybrid complex had significant influence on the mild steel corrosion protection (by inhibition efficiency of ca. 94%) in NaCl solution.
ISSN:1226-086X
1876-794X
DOI:10.1016/j.jiec.2018.05.021