Inhibition of corrosion of mild steel in well water by TiO2 nanoparticles and an aqueous extract of May flower
https://doi.org/10.17586/2220-8054-2016-7-4-711-723
Аннотация
Titanium dioxide nanoparticles have been used to control corrosion of mild steel in well water in the absence and presence of an aqueous May flower extract. As the concentration of TiO2 increases, the inhibition efficiency also increases. 100 ppm of TiO2 offers 84 % inhibition efficiency. The addition of 10mlof May flower extract enhances the inhibition efficiency to 95 %. Adsorption of TiO2 on the metal surface follows Langmuir adsorption isotherm. Polarization study reveals that the flower extract-TiO2 system functions as mixed type of inhibitor, controlling both anodic and cathodic reactions. AC impedance spectra reveal the formation of a protective film on the metal surface. This technology may find application in cooling water systems and concrete technology.
Ключевые слова
Об авторах
P. Nithyadevi
GTN arts College
Индия
Индия
PG and Research Department of Chemistry
Dindigul–624005
R. Joseph Rathish
PSNA College of Engineering and Technology
Индия
Индия
Dinidgul,
J. Sathiya Bama
GTN arts College
Индия
Индия
PG and Research Department of Chemistry
Dindigul–624005
S. Rajendran
RVS Educational Trust’s Group of Institutions
Индия
Индия
Corrosion Research Centre, Department of Chemistry
Dindigul–624005
R. Maria Joany
Sathyabama University
Индия
Индия
Chennai
M. Pandiarajan
GTN arts College
Индия
Индия
PG and Research Department of Chemistry
Dindigul–624005
A. Anandan
SKV Higher Sec School
Индия
Индия
Kandampalayam–637201
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Рецензия
Для цитирования:
Nithyadevi P., Joseph Rathish R., Sathiya Bama J., Rajendran S., Maria Joany R., Pandiarajan M., Anandan A. Inhibition of corrosion of mild steel in well water by TiO2 nanoparticles and an aqueous extract of May flower. Наносистемы: физика, химия, математика. 2016;7(4):711-723. https://doi.org/10.17586/2220-8054-2016-7-4-711-723
For citation:
Nithyadevi P., Joseph Rathish R., Sathiya Bama J., Rajendran S., Maria Joany R., Pandiarajan M., Anandan A. Inhibition of corrosion of mild steel in well water by TiO2 nanoparticles and an aqueous extract of May flower. Nanosystems: Physics, Chemistry, Mathematics. 2016;7(4):711-723. https://doi.org/10.17586/2220-8054-2016-7-4-711-723
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