A study on the inhibition of mild steel corrosion in hydrochloric acid by pyridoxol hydrochloride

James, A. O.; Oforka, N. C.; Abiola, Olusegun K.; Ita, B. I.

doi:10.1590/s0100-46702007000300005

Cited by 40 publications

(48 citation statements)

References 6 publications

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“…The straight lines obtained from the plots in Figure 1 with or without inhibitor coating confirm a first order reaction kinetics with respect to mild steel in the various acidic medium. A similar result was reported earlier for the corrosion of mild steel in HCI solution [15].…”

Section: Corrosion Kineticssupporting

confidence: 91%

A Potential Corrosion Inhibitor for Acid Corrosion of Mild Steel

Osarolube¹

2017

MSA

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Abstract1-Phenyl-3-methylpyrazol-5-one (HPMP) was evaluated as corrosion inhibitor for mild steel in hydrochloric, nitric and perchloric acid solutions, using weight loss measurements at room temperature. HPMP was found to retard the corrosion rate of mild steel in hydrochloric and nitric acid solutions, while it aided the corrosion of same metal in perchloric acid solution. Corrosion rate decreased linearly with degree of surface coverage, and higher values of half-life were obtained for the coupons coated with HPMP inhibitor. The thicker the film of the HPMP coating on the metal, the more protection it gave to it, giving rise to the increase in inhibition efficiency.

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Section: Corrosion Kineticssupporting

confidence: 91%

A Potential Corrosion Inhibitor for Acid Corrosion of Mild Steel

Osarolube¹

2017

MSA

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“…When inhibitors are added to the corrosive environment, it slows down the rate of corrosion; other forms of inhibitors are used to coat the surface of the metal. Most corrosion inhibitors have been synthesized from cheap raw materials or chosen from compounds containing heteroatoms in their aromatic or long carbon chain [1,2,3]. These long chains may pose environmental hazards or threats.…”

Section: Introductionmentioning

confidence: 99%

Inhibitive Effect of<i> Costus afer</i> Extracts on Mild Steel Corrosion in Acidic Medium

Nnanna

John

Esihe

et al. 2016

IJET

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Inhibition effect of Costusafer on mild steel in 0.5 M HCl was studied using gravimetric method at room temperature. It was found out that Costusafer inhibited the corrosion of mild steel in the acidic environment and that the efficiency of inhibition increased as the concentration of the inhibitor in the environment increased. The data was used to test different isotherms and it suited the Langmuir isotherm. A value of -15.995 kJmol-1 was gotten for the ∆Goads. This value showed that the extracts of Costusafer inhibited the corrosion process through physiosorption mechanism. The high value of inhibition efficiency of the extract as the concentration increased in rationalized in terms of the increase in herteroatoms, saponnins and tannins which are present in the extract.

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“…The use of inhibitors is one of the most practical methods for protection against corrosion in acidic media. Inhibitors, which reduce corrosion on metallic materials, can be divided into three kinds: surfactant inhibitors [2], organic inhibitors [3] and inorganic inhibitors [4]. Heterocyclic inhibitors have many advantages, such as high inhibition efficiency [5][6][7][8], low price, and easy production.…”

Section: Introductionmentioning

confidence: 99%

Adsorption Properties and Inhibition of Carbon Steel Corrosion in a Hydrochloric Solution by 2-(4,5-diphenyl-4,5-dihydro-1h-imidazol-2-yl)-5-methoxyphenol

Rbaa¹,

Galai²,

Kacimi³

et al. 2017

Port. Electrochim. Acta

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The corrosion inhibition of mild steel in a 1.0 M hydrochloric acid solution by 2-(4,5-diphenyl-4,5-dihydro-1h-imidazol-2-yl)-5-methoxyphenol (P1) has been studied in relation to the concentration of the inhibitor, as well as to the temperature, using chemical (weight loss) and electrochemical techniques. All the employed methods were in reasonable agreement. The protection efficiency increased with an increased inhibitor's concentration. The obtained thermodynamic adsorption parameters (∆G * ads, ∆H * ads, ∆S * ads) indicated that this polymer retarded both cathodic and anodic processes through physical adsorption, and blocked the active corrosion sites. It was also found that this compound obeyed the Langmuir's adsorption isotherm.

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A study on the inhibition of mild steel corrosion in hydrochloric acid by pyridoxol hydrochloride

Cited by 40 publications

References 6 publications

A Potential Corrosion Inhibitor for Acid Corrosion of Mild Steel

A Potential Corrosion Inhibitor for Acid Corrosion of Mild Steel

Inhibitive Effect of<i> Costus afer</i> Extracts on Mild Steel Corrosion in Acidic Medium

Adsorption Properties and Inhibition of Carbon Steel Corrosion in a Hydrochloric Solution by 2-(4,5-diphenyl-4,5-dihydro-1h-imidazol-2-yl)-5-methoxyphenol

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