Adsorption and inhibition effect of 5-phenyl-1,2,4-triazole-3-thione on C38 steel corrosion in 1M HCl

Adsorption and inhibition effect of 5-phenyl-1,2,4-triazole-3-thione on C38 steel corrosion in 1M... Based on potentiodynamic polarization measurements and electrochemical impedance spectroscopy, 5-phenyl-1,2,4-triazole-3-thione (PTT) was investigated as a corrosion inhibitor for C38 steel in 1 M HCl solution. The effects of temperature and immersion time were also studied. The corrosion inhibition efficiencies as measured by all the above techniques were in good agreement with each other. The results showed that PTT is a very good inhibitor for C38 steel in acidic media. It acts as a mixed inhibitor. The inhibition efficiency increases with increasing inhibitor concentration and decreases with increasing temperature and immersion time. Thermodynamic and activation parameters are discussed. Adsorption of PTT was found to follow the Langmuir adsorption isotherm. A physisorption mechanism is proposed. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Research on Chemical Intermediates Springer Journals

Adsorption and inhibition effect of 5-phenyl-1,2,4-triazole-3-thione on C38 steel corrosion in 1M HCl

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Publisher
Springer Netherlands
Copyright
Copyright © 2014 by Springer Science+Business Media Dordrecht
Subject
Chemistry; Catalysis; Physical Chemistry; Inorganic Chemistry
ISSN
0922-6168
eISSN
1568-5675
D.O.I.
10.1007/s11164-014-1556-2
Publisher site
See Article on Publisher Site

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