The corrosion inhibition study of sodium dodecyl benzene sulphonate to aluminium and its alloys in 1.0 M HCl solution

Rehim, Sayed S. Abd El; Hassan, Hamdy H.; Amin, Mohammed A.

doi:10.1016/s0254-0584(01)00602-2

Cited by 174 publications

(70 citation statements)

References 29 publications

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“…The plots in Fig. 2 have S-shaped adsorption isotherms, indicating that inhibition takes place through adsorption of SA on the electrode surface [16][17][18]. Our previous study showed that the inhibitor is electrostatically adsorbed on the electrode surface [14].…”

Section: Weight Loss Measurementsmentioning

confidence: 97%

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Thermodynamics of Adsorption

Pashley

Karaman

2004

Applied Colloid and Surface Chemistry

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Section: Weight Loss Measurementsmentioning

confidence: 97%

“…Large and negative values of the entropy imply that the activated complex in the rate determining step represents an association rather than a dissociation step, meaning that a decrease in disordering takes place on going from reactants to the activated complex [16,17].…”

Section: Thermodynamic Activation Functions Of the Corrosion Processmentioning

confidence: 99%

Thermodynamics of Adsorption

Pashley

Karaman

2004

Applied Colloid and Surface Chemistry

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“…The inhibition (protection) efficiency, IE%, of P(pPD) was calculated for MS sample in the acid solutions in the presence of different concentrations of P(pPD) at 303 K using equation [13]:…”

Section: Weight Loss and Polarization Measurementsmentioning

confidence: 99%

“…Some phenylenediamines are used as corrosion inhibitors of MS; pphenylenediamine, pPD, as a monomer was found to be less effective compared with other isomers o-or/and m-phenylenediamine [11]. Also, poly phenylenediamines are used; P(oPD) with concentration 15 ppm gives inhibition efficiency (IE%) of 95% [12], P(pPD) with concentration 50 ppm gives inhibition efficiency (IE%) of 73% [13] and P(mPD) after 168 H give 80% efficiency [14]. In this paper we report the inhibitive action of an electro synthetic p(pPD) on corrosion of mild steel in HCl solutions.…”

Section: Introductionmentioning

confidence: 99%

Poly(p-Phenylenediamine) as an Inhibitor for Mild Steel in Hydrochloric Acid Medium

Rehim¹,

Sayyahand²,

Azooz³

2012

Port. Electrochim. Acta

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The corrosion behavior of mild steel (MS) in HCl solution containing various concentrations of electropolymerized P(p-phenylenediamine), P(pPD), has been investigated using weight loss and potentiodynamic polarization techniques. The data obtained from the two techniques are comparable and showed that the presence of P(pPD) in the acid solutions suppresses the corrosion rate of MS indicating that these polymers act as corrosion inhibitors (predominantly as anodic inhibitors). The inhibition efficiency (IE%) of the polymer enhances with increasing their concentrations and decrease with an increase in temperature. The inhibition occurs through adsorption and formation of barrier film on the metal surface which separates the metal from direct contact with the corrosive medium and hence protects the metal against the corrosion. The adsorption followed the Langmuir isotherm. The thermodynamic functions of the adsorption and dissolution processes were evaluated.

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“…Amino alcohol compounds are frequently used as organic corrosion inhibitors due to their high solubility (easy application) and their low toxicity; they can be more effective when the corrosion degree is relatively low or before the corrosion initiation phase of metal [11]. It is reported that the inhibiting action of this compounds is due to the adsorption and/or formation of physical barrier on the metal/solution interface [12,13]. This process depends upon the nature and surface charge of the metal, the type of aggressive media, the chemical structure of the inhibitor, and the nature of its interaction with the metal surface [14,15].…”

Section: Introductionmentioning

confidence: 99%

Inhibitive effect of N,N'-Dimethylaminoethanol on carbon steel corrosion in neutral sodium chloride solution, at different temperatures

et al. 2018

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Abstract. The inhibition of carbon steel corrosion in neutral sodium chloride solution by N,N'-Dimethylaminoethanol (DMEA), at different temperatures, was investigated using weight loss, potentiodynamic polarization and electrochemical impedance spectroscopy (EIS) techniques. The results obtained confirm that DMEA is a good organic corrosion inhibitor for carbon steel in 0.5M of NaCl (concentration encountered in the Mediterranean seawater), over the whole range of temperatures studied. The inhibition efficiency (IE%) increases with increasing DMEA concentration; it reaches highest value for a concentration around 0.125 mol.L -1 . Potentiodynamic polarization data show that, the compound studied in this research predominantly act as anodic-type inhibitor. The EIS study reveals that the addition of DMEA decreases the corrosion rate of carbon steel in neutral sodium chloride solution, due to the fact that the inhibitor molecules are strongly adsorbed on the active sites following Langmuir isotherm, thus leading to the formation of a stable protective film on the steel surface which is able to keep the metal/solution interface in a passive state. Furthermore, the values of the activation parameters, i.e. ΔHa and Ea obtained in this study indicate that the adsorption process of DMEA is endothermic and could be mainly attributed to chemisorption, respectively.

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The corrosion inhibition study of sodium dodecyl benzene sulphonate to aluminium and its alloys in 1.0 M HCl solution

Cited by 174 publications

References 29 publications

Thermodynamics of Adsorption

Thermodynamics of Adsorption

Poly(p-Phenylenediamine) as an Inhibitor for Mild Steel in Hydrochloric Acid Medium

Inhibitive effect of N,N'-Dimethylaminoethanol on carbon steel corrosion in neutral sodium chloride solution, at different temperatures

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