Mitigation of Hydrogen Evolution during Zinc Corrosion in Aqueous Acidic Media Using 5-Amino-4-imidazolecarboxamide

Wanees, S. Abd El; Alahmdi, Mohammed Issa; Alsharif, Meshari A.; Atef, Y.

doi:10.21608/ejchem.2018.6006.1507

Cited by 6 publications

(6 citation statements)

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“…The volume of the generated H 2 increased with time and was collected over water in a graduated burette, as indicated earlier . The reaction system used for generating H 2 was depicted early. , …”

Section: Methodsmentioning

confidence: 99%

“…24 The reaction system used for generating H 2 was depicted early. 24,26 The rate of the evolution of H 2 , r H , on the metallic surface was computed from the V−t data. The covered surface area, θ, and the percentage of corrosion inhibition, η H , are computed from r H values, using eqs 4 and 5, respectively: where r°H and r H are rates of the generated H 2 gas in the blank and the inhibitive DMAB solutions, respectively.…”

Section: Gravimetry Studymentioning

confidence: 99%

See 1 more Smart Citation

Retardation of the C-Steel Destruction in Hydrochloric Acid Media Utilizing an Effective Schiff Base Inhibitor: Experimental and Theoretical Computations

Saleh,

Alfakeer,

Felaly

et al. 2024

ACS Omega

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Section: Methodsmentioning

confidence: 99%

Section: Gravimetry Studymentioning

confidence: 99%

Retardation of the C-Steel Destruction in Hydrochloric Acid Media Utilizing an Effective Schiff Base Inhibitor: Experimental and Theoretical Computations

Saleh,

Alfakeer,

Felaly

et al. 2024

ACS Omega

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“…It means that the adsorption of the CAPB molecule would be described by two main types of interaction: physical adsorption and chemisorption, that are influenced by the nature and charge of the metal, the molecular structure of the inhibitor and the type of electrolyte [44][45]. The Langmuir isotherm relates C inh and ϴas follows [46][47]:…”

Section: Adsorption Isotherm and Thermodynamic Calculationsmentioning

confidence: 99%

Caprylamidopropyl Betaine as a highly efficient eco-friendly corrosion inhibitor for API X120 steel in 1 M H2SO4

et al. 2019

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C ORROSION inhibition of API X120 steel in a 1M sulfuric acid solution at altered temperatures was investigated utilizing a new eco-friendly surfactant (Caprylamidopropyl Betaine (CAPB)) by Gravimetric and electrochemical test (containing potentiodynamic polarization (PP), electrochemical impedance spectroscopy (EIS). Surface characterization tests containing scanning electron microscopy (SEM), and atomic force microscopy (AFM) are utilized in the study. In addition, kinetic and thermodynamic parameters were measured and discussed. The overall results displayed that the corrosion rate of API X120 steel was significantly lowered with improving the temperature. The polarization curves lead to the CAPB inhibitor is influenced both anodic and cathodic reactions (mixed type inhibitor). Analyses of the surface topography designated an appreciable decrease in the surface roughness as the dose of the inhibitor in the solution improved. Energy-dispersive X-ray and X-ray photoelectron spectroscopy revealed the presence of adsorbed nitrogen atoms on the API X 120 steel surfaces. This work provides a promising eco-friendly inhibitor for mitigating the corrosion of API X120 steel in highly acidic brine environments.

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“…The economic benefits come from its high capacity (0.82Ah/g), rechargeable batteries, and high discharge efficiency [1][2][3]. Great efforts have been done by many scientists to use some active minerals such as zinc for producing hydrogen gas when the metal becomes in contact with acids [4][5][6][7][8][9][10]. The produced H2, which accompanies the corrosion reactions as an individual cathodic reaction in the aqueous acidic solution was found to depend on many parameters such as inundation time, the strength of the acid, and the solution temperature.…”

Section: Introductionmentioning

confidence: 99%

Thermodynamic and adsorption studies on the corrosion inhibition of Zn by 2, 2'-Dithiobis(2,3-dihydro-1,3-benzothiazole) in HCl solutions

et al. 2020

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The thermodynamics parameters and adsorption mechanism of 2,2'-dithiobis(2,3-dihydro-1,3-benzothiazole), DDBT, as a corrosion inhibitor for zinc in 0.5 M HCl solution were studied by different techniques. The used organic compound was prepared in our lab by a transformation reaction for thiol compound in the presence of ammonium per-sulfate. Potentiodynamic polarization, thermometric and gravimetric techniques, as well as, scanning electron microscope, SEM surface investigations were employed. The data of different techniques were compatible and confirmed the inhibition effect of DDBT. The potentiodynamic polarization data disclosed that the DTDBT molecules behave as a mixed-kind inhibitor. The different thermodynamic parameters about the corrosion and adsorption processes such as Ea, ∆Ha, ∆Sa, ∆G°ads, ∆H°ads and ∆S°ads were deduced to suggest the inhibition mechanism. The DDBT molecules are adsorbed on the Zn surface confirming the Langmuir isotherm model obeying a mixed mechanism (physical and chemisorption).

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Mitigation of Hydrogen Evolution during Zinc Corrosion in Aqueous Acidic Media Using 5-Amino-4-imidazolecarboxamide

Cited by 6 publications

References 0 publications

Retardation of the C-Steel Destruction in Hydrochloric Acid Media Utilizing an Effective Schiff Base Inhibitor: Experimental and Theoretical Computations

Retardation of the C-Steel Destruction in Hydrochloric Acid Media Utilizing an Effective Schiff Base Inhibitor: Experimental and Theoretical Computations

Caprylamidopropyl Betaine as a highly efficient eco-friendly corrosion inhibitor for API X120 steel in 1 M H2SO4

Thermodynamic and adsorption studies on the corrosion inhibition of Zn by 2, 2'-Dithiobis(2,3-dihydro-1,3-benzothiazole) in HCl solutions

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