The Inhibitive Performance of Fenugreek for Corrosion of Copper and Nickel in Sulfuric Acid

被引：0

作者：

Ali, Shimaa M. ^{[1
,2
]}

Al lehaibi, Hamedh A. ^{[2
]}

机构：

[1] Cairo Univ, Fac Sci, Dept Chem, Giza, Egypt

[2] Taibah Univ, Dept Chem, Fac Sci, Madinah, Saudi Arabia

来源：

INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE | 2016年 / 11卷 / 02期

关键词：

Natural Inhibitor; Corrosion; Thermodynamics; Polarization; Impedance; CANNABIS PLANT-EXTRACT; MILD-STEEL; CARBON-STEEL; ADSORPTION; SURFACTANTS; XPS;

D O I：

暂无

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Fenugreek extract was examined as a corrosion inhibitor for copper and nickel in 2.0 M H2SO4 solution by gravimetric and electrochemical measurements. Scanning electron micrographs showed that the surface damage is decreased in inhibited acidic solution for both metals. The maximum inhibition efficiencies were 85.6% and 83.5% for copper and nickel, respectively, by using 20% (V/V%) of fenugreek extract in H2SO4 solution. Adsorption of fenugreek on both metals follows Langmuir adsorption isotherm. Florry-Huggins isotherm can be applied successively only in case of nickel suggesting a chemisorptions mode at later stages of adsorption process. Linear polarization and impedance measurements prove the inhibition ability of fenugreek for copper and nickel corrosion in H2SO4 solution.

引用

页码：953 / 966

页数：14

共 40 条

[11] Egyptian licorice extract as a green corrosion inhibitor for copper in hydrochloric acid solution
Deyab, M. A.
[J]. JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY, 2015, 22 : 384 - 389
[12] Synergistic effect of halide ions on the corrosion inhibition of aluminium in H2SO4 using 2-acetylphenothiazine
Ebenso, EE
[J]. MATERIALS CHEMISTRY AND PHYSICS, 2003, 79 (01) : 58 - 70
[13] Effect of molecular structure on the efficiency of amides and thiosemicarbazones used for corrosion inhibition of mild steel in hydrochloric acid
Ebenso, EE
Ekpe, UJ
Ita, BI
Offiong, OE
Ibok, UJ
[J]. MATERIALS CHEMISTRY AND PHYSICS, 1999, 60 (01) : 79 - 90
[14] Inhibitive and Adsorption Properties of Ethanol Extract of Seeds and Leaves of Azadirachta Indica on the Corrosion of Mild Steel in H2SO4
Eddy, N. O.
Mamza, P. A. P.
[J]. PORTUGALIAE ELECTROCHIMICA ACTA, 2009, 27 (04) : 443 - 456
[15] Electrochemical and XPS studies of 2,5-bis(n-pyridyl)-1,3, 4-thiadiazoles adsorption on mild steel in perchloric acid solution
El Azhar, M
Traisnel, M
Mernari, B
Gengembre, L
Bentiss, F
Lagrenée, M
[J]. APPLIED SURFACE SCIENCE, 2002, 185 (3-4) : 197 - 205
[16] Chitosan as a green inhibitor for copper corrosion in acidic medium
El-Haddad, Mahmoud N.
[J]. INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES, 2013, 55 : 142 - 149
[17] Caffeine as non-toxic corrosion inhibitor for copper in aqueous solutions of potassium nitrate
Fallavena, Thuanny
Antonow, Muriel
Goncalves, Reinaldo Simoes
[J]. APPLIED SURFACE SCIENCE, 2006, 253 (02) : 566 - 571
[18] Synergistic effect between non-ionic surfactant and halide ions in the forms of inorganic or organic salts for the corrosion inhibition of stainless-steel X4Cr13 in sulphuric acid
Fuchs-Godec, R.
Pavlovic, Miomir G.
[J]. CORROSION SCIENCE, 2012, 58 : 192 - 201
[19] Effects of surfactants and their mixtures on inhibition of the corrosion process of ferritic stainless steel
Fuchs-Godec, R.
[J]. ELECTROCHIMICA ACTA, 2009, 54 (08) : 2171 - 2179
[20] Studies of the corrosion inhibition of copper in Na2SO4 solution using polarization and electrochemical impedance spectroscopy
Hamed, E.
[J]. MATERIALS CHEMISTRY AND PHYSICS, 2010, 121 (1-2) : 70 - 76

← 1 2 3 4 →