<abstract xmlns="http://www.w3.org/1999/xhtml"><p>The adsorption and inhibitive behavior of gums obtained from <italic>Mangifera indica</italic> tree was investigated at 303-333 K using weight loss and linear polarization measurements. The results obtained from both measurements showed that <italic>Mangifera indica</italic> gums inhibited the corrosion of mild steel in 1.0 M HCl. Linear polarization measurements revealed <italic>Mangifera indica</italic> gums to inhibit both the anodic and cathodic reactions on the surface of the mild steel thereby functioning as a mixed-type inhibitor. Adsorption behavior of the gums were approximated by the isotherm models of Langmuir, Freundlich and Temkin. The adsorption mechanism derived from the trend in inhibition efficiency as a function of temperature as well as kinetic and activation parameters signified <italic>Mangifera</italic> indica gums adsorbed on the surface of the mild steel through the mechanism of physisorption and that the adsorption process was exothermic and spontaneous.</p></abstract>

The adsorption and inhibitive behavior of gums obtained from Mangifera indica tree was investigated at 303-333 K using weight loss and linear polarization measurements. The results obtained from both measurements showed that Mangifera indica gums inhibited the corrosion of mild steel in 1.0 M HCl. Linear polarization measurements revealed Mangifera indica gums to inhibit both the anodic and cathodic reactions on the surface of the mild steel thereby functioning as a mixed-type inhibitor. Adsorption behavior of the gums were approximated by the isotherm models of Langmuir, Freundlich and Temkin. The adsorption mechanism derived from the trend in inhibition efficiency as a function of temperature as well as kinetic and activation parameters signified Mangifera indica gums adsorbed on the surface of the mild steel through the mechanism of physisorption and that the adsorption process was exothermic and spontaneous.

Adsorptive, inhibitive and thermodynamics studies on the corrosion of mild steel in the presence of <italic>Mangifera indica</italic> gums

Ovidius University Annals of Chemistry

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Adsorptive, inhibitive and thermodynamics studies on the corrosion of mild steel in the presence of  gums

The adsorption and inhibitive behavior of gums obtained from Mangifera indica tree was investigated at 303-333 K using weight loss and linear polarization...

Adsorptive, inhibitive and thermodynamics studies on the corrosion of mild steel in the presence of Mangifera indica gums

Published Online: Aug 03, 2019

Page range: 75 - 80

Received: Mar 19, 2019

Accepted: Jul 22, 2019

DOI: https://doi.org/10.2478/auoc-2019-0014

Keywords
mild steel, corrosion inhibition, gums, adsorption isotherm, activation energy

© 2019 Habibat F. Chahul et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Adsorptive, inhibitive and thermodynamics studies on the corrosion of mild steel in the presence of Mangifera indica gums

Published Online: Aug 03, 2019

Page range: 75 - 80

Received: Mar 19, 2019

Accepted: Jul 22, 2019

DOI: https://doi.org/10.2478/auoc-2019-0014

Keywordsmild steel, corrosion inhibition, gums, adsorption isotherm, activation energy

© 2019 Habibat F. Chahul et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
mild steel, corrosion inhibition, gums, adsorption isotherm, activation energy