Title : ( Inhibition mechanism of nitrite on the corrosion of carbon steel in simulated cooling )
Authors: hossein khani , Reza Arefinia ,
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Abstract
The corrosion inhibition mechanism of sodium nitrite on carbon steel has been carefully studied in different simulated cooling water solutions by using potentiodynamic polarization and electrochemical impedance spectroscopy (EIS) techniques. The obtained results showed that the corrosion inhibition increases by increasing the nitrite concentration up to 9 mM in 5 mM chloride solution at 25 °C. The corrosion state and current density are strongly depended upon the nitrite and chloride concentration, solution temperature and applied potential. The interaction of nitrite with metal surface follows the Langmuir adsorption isotherm and the adsorption is as a physisorption process.
Keywords
Carbon steel; Nitrite; Cooling water; Polarization; EIS
@article{paperid:1065378,
author = {Khani, Hossein and Arefinia, Reza},
title = {Inhibition mechanism of nitrite on the corrosion of carbon steel in simulated cooling},
journal = {Materials and Corrosion},
year = {2017},
volume = {69},
number = {3},
month = {January},
issn = {0947-5117},
pages = {337--347},
numpages = {10},
keywords = {Carbon steel; Nitrite; Cooling water; Polarization; EIS},
}
%0 Journal Article
%T Inhibition mechanism of nitrite on the corrosion of carbon steel in simulated cooling
%A Khani, Hossein
%A Arefinia, Reza
%J Materials and Corrosion
%@ 0947-5117
%D 2017
