A new triazole derivative as inhibitor of the acid corrosion of mild steel: electrochemical studies, weight loss determination, SEM and XPS

1999 ◽  
Vol 152 (3-4) ◽  
pp. 237-249 ◽  
Author(s):  
Fouad Bentiss ◽  
Michel Traisnel ◽  
Léon Gengembre ◽  
Michel Lagrenée
Keyword(s):  
Weight Loss ◽  
Mild Steel ◽  
Acid Corrosion ◽  
Electrochemical Studies ◽  
Triazole Derivative ◽  
Loss Determination

scholarly journals Adsorption and Inhibitive Properties of Triazolo- pyrimidine Derivatives in Acid Corrosion of Mild Steel

2011 ◽  
Vol 8 (3) ◽  
pp. 1250-1257 ◽  
Author(s):  
K. Parameswari ◽  
S. Chitra ◽  
S. Kavitha ◽  
J. Rajpriya ◽  
A. Selvaraj
Keyword(s):  
Weight Loss ◽  
Mild Steel ◽  
Adsorption Mechanism ◽  
Inhibition Efficiency ◽  
Acid Corrosion ◽  
Langmuir Adsorption Isotherm ◽  
Adsorption Properties ◽  
Pyrimidine Derivatives ◽  
Langmuir Adsorption ◽  
As Adsorption

Inhibitive and adsorption properties of synthesized triazolo- pryimidine derivatives (P1, P2 & P3 ) for the corrosion of mild steel was investigated using weight loss and electrochemical methods. Inhibition efficiency increased as the concentration of the inhibitor increased but decreased with increase in temperature. The triazolopyrimidines were found to act as adsorption inhibitors for the corrosion of mild steel. The adsorption mechanism of the triazolopyrimidine was found to be physisorption, spontaneous and exothermic. Also the adsorption followed Langmuir adsorption isotherm. polarisation studies showed that the inhibitors behave as cathodic type.

scholarly journals Study of a Triazole Derivative as Corrosion Inhibitor for Mild Steel in Phosphoric Acid Solution

2012 ◽  
Vol 2012 ◽  
pp. 1-6 ◽  
Author(s):  
Lin Wang ◽  
Ming-Jie Zhu ◽  
Fa-Chang Yang ◽  
Cheng-Wei Gao
Keyword(s):  
Weight Loss ◽  
Phosphoric Acid ◽  
Mild Steel ◽  
Corrosion Inhibition ◽  
Frequency Factor ◽  
Phosphoric Acid Solution ◽  
Triazole Derivative ◽  
Kinetic And Thermodynamic Parameters ◽  
Corrosion Of Steel ◽  
Predominant Effect

The corrosion inhibition by a triazole derivative (PAMT) on mild steel in phosphoric acid (H3PO4) solution has been investigated by weight loss and polarization methods. The experimental results reveal that the compound has a significant inhibiting effect on the corrosion of steel in H3PO4solution. It also shows good corrosion inhibition at higher concentration of H3PO4. Potentiodynamic polarization studies have shown that the compound acts as a mixed-type inhibitor retarding the anodic and cathodic corrosion reactions with predominant effect on the cathodic reaction. The values of inhibition efficiency obtained from weight loss and polarization measurements are in good agreement. The adsorption of this compound is found to obey the Langmuir adsorption isotherm. Some kinetic and thermodynamic parameters such as apparent activation energy, frequency factor, and adsorption free energy have been calculated and discussed.

Green Schiff's bases as corrosion inhibitors for mild steel in 1 M HCl solution: experimental and theoretical approach

RSC Advances ◽  
2016 ◽  
Vol 6 (104) ◽  
pp. 102076-102087 ◽  
Author(s):  
Neeraj Kumar Gupta ◽  
M. A. Quraishi ◽  
Chandrabhan Verma ◽  
A. K. Mukherjee
Keyword(s):  
Weight Loss ◽  
Mild Steel ◽  
Quantum Chemical Calculations ◽  
Corrosion Inhibition ◽  
Schiff Bases ◽  
Theoretical Approach ◽  
Quantum Chemical ◽  
Corrosion Inhibitors ◽  
Electrochemical Studies ◽  
Hcl Solution

Three cysteine based Schiff bases were synthesized and their corrosion inhibition properties on mild steel in 1 M HCl solution were evaluated using weight loss and electrochemical studies and quantum chemical calculations.

scholarly journals Effect of Temperature on the Corrosion Inhibition of Trans-4-Hydroxy-4′-Stilbazole on Mild Steel in HCl Solution

2012 ◽  
Vol 2012 ◽  
pp. 1-7 ◽  
Author(s):  
Ayssar Nahlé ◽  
Ideisan I. Abu-Abdoun ◽  
Ibrahim Abdel-Rahman
Keyword(s):  
Weight Loss ◽  
Double Bond ◽  
Adsorption Isotherm ◽  
Mild Steel ◽  
Corrosion Inhibitor ◽  
Thermodynamic Parameters ◽  
The Other ◽  
Effect Of Temperature ◽  
Temkin Adsorption Isotherm ◽  
Hcl Solution

The inhibition and the effect of temperature and concentration of trans-4-hydroxy-4′-stilbazole on the corrosion of mild steel in 1 M HCl solution was investigated by weight loss experiments at temperatures ranging from 303 to 343 K. The studied inhibitor concentrations were between  M and  M. The percentage inhibition increased with the increase of the concentration of the inhibitor. The percentage inhibition reached about 94% at the concentration of  M and 303 K. On the other hand, the percentage inhibition decreased with the increase of temperature. Using the Temkin adsorption isotherm, the thermodynamic parameters for the adsorption of this inhibitor on the metal surface were calculated. Trans-4-hydroxy-4′-stilbazole was found to be a potential corrosion inhibitor since it contained not only nitrogen and oxygen, but also phenyl and pyridine rings that are joined together with a double bond (–C=C–) in conjugation with these rings.

scholarly journals A Study of Mild Steel Corrosion UsingAdhatoda Vasica(AV) Extract as Inhibitor in Different Acid Medium

2010 ◽  
Vol 7 (4) ◽  
pp. 1284-1289 ◽  
Author(s):  
P. Matheswaran ◽  
A. K. Ramasamy
Keyword(s):  
Weight Loss ◽  
Mild Steel ◽  
Acid Medium ◽  
Acidic Medium ◽  
Active Sites ◽  
Mixed Type ◽  
Steel Corrosion ◽  
Adhatoda Vasica ◽  
Mild Steel Corrosion ◽  
Inhibitive Action

Corrosion behavior of mild steel in acidic medium usingAdhatoda Vasica(AV) extract was investigated. The inhibitive effective ofAdhatoda Vasicaon the corrosion of mild steel in different acidic medium has been studied by weight loss and polarization methods. The Ecorrvalues are shifted slightly towards negative side in presence of inhibitors which indicate the inhibitors inhibit the corrosion of mild steel in acids solution by controlling both anodic and cathodic reactions due to the blocking of active sites on the metal surface. It is evident that inhibitors bring about considerable polarization of the cathode as well as anode. It was, therefore, inferred that the inhibitive action is of mixed type.

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