Bis-Schiff bases of isatin as new and environmentally benign corrosion inhibitor for mild steel

被引：134

作者：

Ansari, K. R. ^{[1
]}

Quraishi, M. A. ^{[1
]}

机构：

[1] Banaras Hindu Univ, Indian Inst Technol, Dept Appl Chem, Varanasi 221005, Uttar Pradesh, India

来源：

JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY | 2014年 / 20卷 / 05期

关键词：

Mild steel; EIS; Corrosion; Gravimetric measurements; SEM-EDX; COLD-ROLLED STEEL; LOW-CARBON STEEL; HYDROCHLORIC-ACID; MOLECULAR-DYNAMICS; HCL SOLUTION; ADSORPTION; DERIVATIVES; IRON; NACL; SURFACTANTS;

D O I：

10.1016/j.jiec.2013.11.014

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Inhibition effect of three bis-Schiff bases of isatin namely (2-methoxybenzylidene) hydrazono) indolin-2-one (HZ-1), (2-hydroxybenzylidene) hydrazono) indolin-2-one (HZ-2) and (4-nitrobenzylidene) hydrazono) indolin-2-one (HZ-3) was studied on mild steel corrosion in 1.0 M HCl by gravimetric measurements, electrochemical impedance spectroscopy (EIS), potentiodynamic polarization and quantum chemical study. The values of activation energy (E-a), equilibrium constant (K-ads), free energy of adsorption Delta G degrees(ads), activation enthalpy Delta H* and activation entropy Delta S* were discussed. The adsorption of inhibitors on metal followed Langmuir's adsorption isotherm. SEM and EDX observations confirmed the existence of protective inhibitor film on metal surface. Quantum chemical study supports the comparative inhibition effect of HZs. (C) 2013 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.

引用

页码：2819 / 2829

页数：11

共 49 条

[1] The inhibition of 4-(2′-amino-5′-methylphenylazo) antipyrine on corrosion of mild steel in HCl solution [J].

Abd El Rehim, SS ;

Ibrahim, MAM ;

Khalid, KF .

MATERIALS CHEMISTRY AND PHYSICS, 2001, 70 (03) :268-273

[2]

Abd El-Maksoud S.A., 2005, MAT CHEM PHYS, V93, P84

[3] Adsorption and inhibitive properties of some new Mannich bases of Isatin derivatives on corrosion of mild steel in acidic media [J].

Ahamad, Ishtiaque ;

Prasad, Rajendra ;

Quraishi, M. A. .

CORROSION SCIENCE, 2010, 52 (04) :1472-1481

[4] Hydrophobic-tailed bicycloisoxazolidines: A comparative study of the newly synthesized compounds on the inhibition of mild steel corrosion in hydrochloric and sulfuric acid media [J].

Ali, S. A. ;

Al-Muallem, H. A. ;

Saeed, M. T. ;

Rahman, S. U. .

CORROSION SCIENCE, 2008, 50 (03) :664-675

[5]

[Anonymous], CORROS SCI

[6]

[Anonymous], 2008, Mater. Chem. Phys., DOI DOI 10.1016/J.MATCHEMPHYS.2008.02.010

[7]

ASTM International, 1990, ANN BOOK ASTM STAND

[8]

ATEYA BG, 1984, CORROS SCI, V24, P509, DOI 10.1016/0010-938X(84)90033-7

[9] Electrochemical and quantum chemical studies of 3,5-di(n-tolyl)-4-amino-1,2,4-triazole adsorption on mild steel in acidic media [J].

Bentiss, F ;

Lagrenée, M ;

Elmehdi, B ;

Mernari, B ;

Traisnel, M ;

Vezin, H .

CORROSION, 2002, 58 (05) :399-407

[10] The substituted 1,3,4-oxadiazoles: a new class of corrosion inhibitors of mild steel in acidic media [J].

Bentiss, F ;

Traisnel, M ;

Lagrenee, M .

CORROSION SCIENCE, 2000, 42 (01) :127-146

← 1 2 3 4 5 →