Corrosion Protection of Iron Alloy Using  &amp;lt;i&amp;gt; Peganum harmala &amp;lt;/i&amp;gt; Extract as Inhibitor in Acidic Solution

Ficus (FIC) leaf extract used as corrosion inhibitor for carbon steel alloy (C.S) in two corrosive environments (saline and acidic) with four concentrations (1, 2, 3 and 4 ppm) at varied temperature range between (298-328 K) using electrochemical polarization measurements. The importance of this work focused on the use the green chemistry that is far from the chemical materials effect. The results of polarization presented the FIC inhibitor consider a mixed type (anodic and cathodic) inhibitor. Tafel curve used to evaluate the corrosion inhibition activity. In a saline medium, the best inhibitor efficiency reaches to (87%) in 2 ppm and IE% reach to (99%) for HCl medium inhibited by 1ppm. Langmuir isotherm obeys the study by thermodynamic parameters and confirms the physical adsorption.

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Anti-Corrosive Substance as Green Inhibitor for Carbon Steel in Saline and Acidic Media

Almashhadani

Alshujery²,

Khazaal

et al. 2021

J. Phys.: Conf. Ser.

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Study the Effect of Cyperus Rotundus Extracted as Mouthwash on the Corrosion of Dental Amalgam

Abbas

Al-Saade

AlMAshhdan

2019

IOP Conf. Ser.: Mater. Sci. Eng.

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Many extracted material were used as mouthwash to settle different kinds of oral fungi and bacteria. In this study an extractive of Cyperus rotundus plant E.C.R. which is very active as a mouthwash, was used in concentration range (10-25) ppm in artificial saliva at pH=6.4 and temperature range (288-318) K, to study it’s inhibitory effect on the corrosion of dental amalgam. Potentiostatic and cyclic polarization were used to follow this study. The presence of E.C.R. lead to shift the corrosion potential to the active direction and decreased the corrosion rate to about 98.87%, the inhibition action of E.C.R. resulting from the adsorption of C.R.E. layer between amalgam and saliva as FTIR spectrums shows, where the variety of FTIR adsorption of many group were noticed for the free E.C.R. and adsorbed E.C.R. layer. Thermodynamic of adsorption, corrosion kinetic parameters were also investigated.

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Corrosion Protection of Iron Alloy Using <i> Peganum harmala </i> Extract as Inhibitor in Acidic Solution

Cited by 2 publications

References 18 publications

Anti-Corrosive Substance as Green Inhibitor for Carbon Steel in Saline and Acidic Media

Anti-Corrosive Substance as Green Inhibitor for Carbon Steel in Saline and Acidic Media

Study the Effect of Cyperus Rotundus Extracted as Mouthwash on the Corrosion of Dental Amalgam

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