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    Corrosion Inhibition of Carbon Steel in 1M HCI Solution by  2–amino–1–methylbenzene (2–methylaniline)

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    Date
    2014
    Author
    Anejjar, A.
    Salghi, R.
    El Mouden, O.
    Ebenso, Eno Effiong
    Zougagh, M.
    Hammouti, B.
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    Abstract
    The inhibition effect of 2-amino-1-methylbenzene (AMB) on the corrosion of carbon steel in 0.5 M H₂SO₄ was studied by weight loss, electrochemical impedance spectroscopy (EIS) techniques and potentiodynamic polarization methods. The results showed that AMB was a good inhibitor in 0.5 M H2SO4 and inhibition efficiency increases with AMB concentration to attain 86.11% at 10⁻³M at 298 K. E(%) values obtained from various methods used are reasonably good agreement. The adsorption of AMB obeyed the Langmuir adsorption isotherm. Polarization curves showed that AMB acted as a mixed-type inhibitor in sulfuric acid. The effect of the temperature on the corrosion behavior with addition of 10⁻³M of the inhibitor was studied in the temperature range 298-328 K, and the thermodynamic parameters were determined and discussed.
    URI
    http://hdl.handle.net/10394/18173
    http://www.electrochemsci.org/papers/vol9/91208380.pdf
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