... with increasing inhibitor concentration and time but decreased with increasing temperature. The corrosion inhibition mechanism revealed the corrosion process is spontaneous exothermic physical adsorption. Thermodynamic parameters revealed an activation energy between 32.1 and 24.7 kJ/mol, energy of adsorption...

...-amino-4-methoxy-6-methyl-1,3,5-triazine on the steel surface using scanning electron and atomic force microscope instruments. Langmuir adsorption is the best matched isotherm for the adsorption of the inhibitor to the steel surface. Findings EIS method was used to determine inhibition efficiency...

... Emerald Publishing Limited Licensed re-use rights only Corrosion inhibitor Hydrochloric acid corrosion Carbon steel Adsorption The hydrochloric acid solutions are diffusely applied in numerous industrial processes such as acid descaling, steel pickling and cleaning of boilers (Lgaz...

... surface, and the adsorption on the steel plate is endothermic chemical adsorption. Originality/value The available data show that most organic inhibitors undergo physisorption on the metal surface, while in the presence of non-bonded and p-electrons, the inhibitor molecules may undergo chemisorption...

... of inhibitors were mainly due to adsorption on mild steel surface. The adsorption of these inhibitors was found to obey Langmuir adsorption model. The computed quantum chemical features show good correlation with empirical inhibition efficiencies. Originality/value The 4-aminothiophenol is suitable...

... temperature. According to Langmuir isotherm, the inhibitor was adsorbed physically on steel surface. The negative sign of estimated heat of adsorption suggests a stable spontaneous inhibition process. Combination of mathematical and statistical analysis was proposed to demonstrate the results of corrosion...

...Rahman Padash; Abdol Hamid Jafari; Effat Jamalizadeh Purpose Study of corrosion behaviour could benefit from quantum chemical calculation to investigate the role of adsorption of main anions such as OH⁻ and Cl⁻ on metallic surfaces. The purpose of this study is to report...

..., but decreases with the increase in temperature. The potentiodynamic polarization curves indicated that BFAE acts as a mixed-type inhibitor with a predominantly anodic action. The adsorption of BFAE on mild steel surface was found to obey Langmuir and thermodynamic-kinetic adsorption isotherms by forming a thin...

... measurements, scanning electron microscopy, ultraviolet-visible spectroscopy and Fourier transform infrared spectroscopy. Findings Salt neutralizer systems act as mixed inhibitors in acidic media by changing the corrosion resistance ability of metal alloys because of the adsorption of surfactant molecules...

...Reyad Shawabkeh; Rihan Rihan; Nawaf AL‐Baker Purpose The paper aims to report an experimental investigation of the effectiveness of an alkyl amine‐based inhibitor on the corrosion behavior of 1018 carbon steel in sea water . The adsorption equilibrium for this corrosion inhibitor on carbon steel...

... of brass by blocking the active sites of the metal. The adsorption of the compounds on brass surface in 3N HNO3 has been found to obey the Langmuir adsorption isotherm. Originality/value The paper provides information regarding corrosion inhibition of brass in 3N HNO3, the mechanism of the inhibition...

... that the inhibitor acted through the formation of a multilayer film at the iron surface. The adsorption of inhibitor on the iron surface obeyed the Langmuir adsorption isotherm equation. The inhibition effect was satisfactorily explained by both thermodynamic and kinetic parameters. Originality/value...

... temperatures ranging from 303 to 333 K. The adsorption of triazole compounds on carbon steel surface obeyed Langmuir's adsorption isotherm. For potentiodynamic polarisation studies, carbon steel specimens of the same composition and with an exposed area of 1 cm² were embedded in epoxy resin...

... donation assumption. © MCB UP Limited 2003 Corrosion inhibitors Adsorption By virtue of its valuable physical and mechanical properties, long life and good resistance to corrosion, steel is one of the most important metals used in industry. It is the primary material used...

...Hassan Malik Work has been performed to investigate the effect of inhibitor charge and pH, in the range 3.9 to 6.5, on the efficiency of various tertiary and quaternary amines. Results have revealed that for such adsorption type inhibitors performance at a given pH depends critically upon...

... when applied in some organic coatings for steel panels. Promising results to use the prepared compounds for corrosion protection and wastewater treatment from heavy metal ions and dyestuffs were obtained. © MCB UP Limited 2001 Coatings Corrosion resistance Adsorption The present...

... the compounds are mixed type inhibitors. The noteworthy feature of the investigation is that inhibition efficiency (IE) of both compounds increased on addition of potassium iodide (KI) due to synergism. Both the compounds have been found to inhibit corrosion by an adsorption mechanism. © MCB UP Limited 2001...

..., 313 and 323K). A marked inhibition synergism occurred within an optimum concentration range even at higher temperature. The thiourea derivatives obey the Langmuir adsorption isotherm. The effect of these compounds on the corrosion behaviour of carbon steel was studied using open circuit potential...

..., correlated with adsorption measurements and X‐ray analysis. The inhibition efficiency of these compounds increases with their concentration and reaches a maximum value around their critical micelle concentrations (CMCs). The adsorption isotherms of the tested samples exhibit an L‐shape and the experimental...