Electrochemical assessment of zinc gluconate as inhibitor on mild steel in a saline environment

Electrochemical assessment of zinc gluconate as inhibitor on mild steel in a saline environment Zinc gluconate was investigated as corrosion inhibitor on mild steel in 3.5 % NaCl solution using weight loss and potentiodynamic polarization techniques. The surface morphology of the corroded samples was assessed with high resolution scanning electron microscopy (HR-SEM). The results revealed that the corrosion rate of mild steel with zinc gluconate in sodium chloride solution decreased significantly. The experimental results fit the Langmuir adsorption isotherm with regression factor (R 2) >0.957 at all the concentrations of ZG studied. There was some level of correlation in the inhibitor efficiency between the methods used for the corrosion evaluation of mild steel with zinc gluconate in 3.5 % NaCl solution. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Research on Chemical Intermediates Springer Journals

Electrochemical assessment of zinc gluconate as inhibitor on mild steel in a saline environment

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Publisher
Springer Journals
Copyright
Copyright © 2013 by Springer Science+Business Media Dordrecht
Subject
Chemistry; Catalysis; Physical Chemistry; Inorganic Chemistry
ISSN
0922-6168
eISSN
1568-5675
D.O.I.
10.1007/s11164-013-1181-5
Publisher site
See Article on Publisher Site

Abstract

Zinc gluconate was investigated as corrosion inhibitor on mild steel in 3.5 % NaCl solution using weight loss and potentiodynamic polarization techniques. The surface morphology of the corroded samples was assessed with high resolution scanning electron microscopy (HR-SEM). The results revealed that the corrosion rate of mild steel with zinc gluconate in sodium chloride solution decreased significantly. The experimental results fit the Langmuir adsorption isotherm with regression factor (R 2) >0.957 at all the concentrations of ZG studied. There was some level of correlation in the inhibitor efficiency between the methods used for the corrosion evaluation of mild steel with zinc gluconate in 3.5 % NaCl solution.

Journal

Research on Chemical IntermediatesSpringer Journals

Published: Apr 13, 2013

References

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