Inhibition of corrosion of carbon steel in well water by arginine-Zn2+ system

Raja, A. Sahaya; Rajendran, Susai

doi:10.5599/jese.2012.0012

Cited by 6 publications

(4 citation statements)

References 51 publications

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“…This film is found to be smooth. Similar is the case with, other three parameters namely root mean square roughness, maximum peak to valley height and maximum peak height [55][56][57].…”

Section: Surface Characterization Of Mild Steel By Atomic Force Micro...supporting

confidence: 56%

Anti-corrosion properties of expired ropinirole (ERN System) drug as inhibitor for mild steel in 1M HCl

Hameed,

Kani,

Mohamed

et al. 2023

Zaštita materijala

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Ropinirole is utilized to forestall sickness and spewing brought about by disease chemotherapy and radiation treatment. It works by hindering serotonin, a characteristic substance in the body that causes queasiness and retching. After lapse, they can be utilized as consumption added substances or inhibitors. The consumption obstruction activity of terminated Ropinirole drug (ERN) on the erosion of mild steel in 1M HCl medium has been assessed by the weight reduction strategy. The weight reduction estimations showed that erosion restraint effectiveness expanded with expanding the convergence of the inhibitor, with greatest security productivity at 0.001 M. The temperature influences the pace of erosion; at high temperatures, the consumption restraint effectiveness diminishes, and erosion is noticed. The robotic parts of consumption obstruction have been concentrated by the potentiodynamic polarization method and electrochemical impedance spectroscopy (EIS). The potentiodynamic polarization strategy uncovers that the inhibitor framework capabilities as a cathodic kind of inhibitor, controlling cathodic responses. An inhibitor can decrease corrosion current due to inhibited reaction rate and increase Linear polarization resistance due to the formation of a barrier on the electrode surface. time., since, within the sight of an inhibitor framework, the charge moves opposition esteem increments and the twofold layer capacitance esteem diminishes. The surface morphology of repressed gentle steel was dissected by filtering electron microscopy (SEM). The natural constituents on the gentle steel surface have been portrayed by energy dispersive X-beam spectroscopy (EDAX). The harshness of the gentle steel surface in cleaned MS, clear MS, and inhibitor frameworks has been described by nuclear power microscopy (AFM). The outcomes have obviously shown that ERN has a repressing limit with regards to decreasing the erosion of gentle steel submerged in hydrochloric corrosive medium.

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“…This film is found to be smooth. Similar is the case with, other three parameters namely root mean square roughness, maximum peak to valley height and maximum peak height [55][56][57].…”

Section: Surface Characterization Of Mild Steel By Atomic Force Micro...supporting

confidence: 56%

Anti-corrosion properties of expired ropinirole (ERN System) drug as inhibitor for mild steel in 1M HCl

Hameed,

Kani,

Mohamed

et al. 2023

Zaštita materijala

View full text Add to dashboard Cite

show abstract

“…The reduction of these parameters established that MS surface becomes smoothened due to the deposition of inhibitors on the metal surface. The surface smoothness is caused 2+ , L-Phenylalanine-Fe 2+ complex and Zn(OH) 2 on the metal surface thus retarding the mild steel corrosion (Sahayaraja & Rajendran 2012).…”

Section: Resultsmentioning

confidence: 99%

Synergistic Effect of Thiourea-Zn2+ and L-Phenylalanine on the Inhibition of Corrosion of Mild Steel in Acid Medium

M¹,

Sathish²,

Rajendran³

2019

stj

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The formulation consisting of 100 ppm Thiourea, 25 ppm Zn2+ and 250 ppm of L-Phenylalanine has 95% corrosion inhibition efficiency with a synergistic effect among Thiourea, L-Phenylalanine and Zn2+ ions. Polarization study shows that this formulation as a mixed inhibitor. FTIR spectra exposed the presence of Fe2+-Thiourea, Fe2+-L-Phenylalanine complex and Zn(OH)2 in protective film. AFM study confirmed the metal surface smoothness following engrossed in the inhibitor and the presence of formed protective film on the metal surface.

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“…Typical stretching frequencies of arginine are NH bond of the amine at 2,957 cm⁻¹ and C=O of the carboxyl group at 1,630 cm⁻¹ [70]. The carrageenan-arginine spectrum did not show shifts when compared to the polymer or the isolated amino acid.…”

Section: Conductimetric Titrationmentioning

confidence: 89%

Carrageenan-amino acid interaction as a tool for understanding atherosclerotic process initiation

Chiconi de Picoli,

Araújo Soares,

Marques Gonçalves

et al. 2024

ELECTRON J GEN MED

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Atherosclerosis is the primary trigger for severe pathologies. The atherosclerotic inflammatory process is well known after low-density lipoprotein (LDL) adhesion in blood vessel walls, however, limited information exists regarding LDL penetration into subendothelial layers. Here, we propose for the first time, to the best of our knowledge, the pathway for the initial trajectory of the lipid molecules internalization into the arterial endothelial tissue. The investigation shows a computational model analyzing molecules involved in the atherosclerotic process, specifically LDL and molecules of the vascular endothelium. The theoretical model was experimentally tested using carrageenan to simulate the anionic counterparts of vascular tissue and amino acids from apolipoprotein B-100. The molecular interactions were analyzed by conductimetric titration, FTIR, and rheology. The computational model identified potential amino acids involved in the process, and the experimental results demonstrated the interaction between lysine and polymer, as the mechanism of adhesion, confirming the model.

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Inhibition of corrosion of carbon steel in well water by arginine-Zn2+ system

Abstract: Abstract

Cited by 6 publications

References 51 publications

Anti-corrosion properties of expired ropinirole (ERN System) drug as inhibitor for mild steel in 1M HCl

Anti-corrosion properties of expired ropinirole (ERN System) drug as inhibitor for mild steel in 1M HCl

Synergistic Effect of Thiourea-Zn2+ and L-Phenylalanine on the Inhibition of Corrosion of Mild Steel in Acid Medium

Carrageenan-amino acid interaction as a tool for understanding atherosclerotic process initiation

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