Enhanced corrosion inhibition effect of chitosan for St37 in 15% H2SO4 environment by silver nanoparticles

Moses M. Solomon; Husnu Gerengi; Tugce Kaya; Saviour A. Umoren

doi:10.1016/j.ijbiomac.2017.06.072

Enhanced corrosion inhibition effect of chitosan for St37 in 15% H₂SO₄ environment by silver nanoparticles

Moses M. Solomon, Husnu Gerengi, Tugce Kaya, Saviour A. Umoren

Research output: Journal Publication › Article › peer-review

81 Citations (Scopus)

Abstract

The inhibitive performance of chitosan and silver nanoparticles – chitosan (AgNPs-Chi) composite towards St37 steel corrosion in 15% H₂SO₄ solution was studied using weight loss and electrochemical techniques in addition to surface morphological examination. Results obtained show that chitosan could fairly protect St37 steel surface by 45%. Inhibition efficiency above 94% has been achieved with AgNPs-Chi composite. AgNPs-Chi composite performs better at longer immersion time and elevated temperature. AgNPs-Chi retards both anodic and cathodic redox reactions. The mode of adsorption of AgNPs-Chi onto St37 surface has been described using Langmuir adsorption isotherm. Surface screening results ascertain the adsorption of AgNPs-Chi molecules on St37 surface.

Original language	English
Pages (from-to)	638-649
Number of pages	12
Journal	International Journal of Biological Macromolecules
Volume	104
DOIs	https://doi.org/10.1016/j.ijbiomac.2017.06.072
Publication status	Published - Nov 2017
Externally published	Yes

Keywords

Acid solution
Chitosan
Inhibition
Inhibition improvement
Silver nanoparticles
St37 corrosion

ASJC Scopus subject areas

Structural Biology
Biochemistry
Molecular Biology
Economics and Econometrics
General Energy

Access to Document

10.1016/j.ijbiomac.2017.06.072

Cite this

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title = "Enhanced corrosion inhibition effect of chitosan for St37 in 15% H2SO4 environment by silver nanoparticles",

abstract = "The inhibitive performance of chitosan and silver nanoparticles – chitosan (AgNPs-Chi) composite towards St37 steel corrosion in 15% H2SO4 solution was studied using weight loss and electrochemical techniques in addition to surface morphological examination. Results obtained show that chitosan could fairly protect St37 steel surface by 45%. Inhibition efficiency above 94% has been achieved with AgNPs-Chi composite. AgNPs-Chi composite performs better at longer immersion time and elevated temperature. AgNPs-Chi retards both anodic and cathodic redox reactions. The mode of adsorption of AgNPs-Chi onto St37 surface has been described using Langmuir adsorption isotherm. Surface screening results ascertain the adsorption of AgNPs-Chi molecules on St37 surface.",

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AU - Solomon, Moses M.

AU - Gerengi, Husnu

AU - Kaya, Tugce

AU - Umoren, Saviour A.

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AB - The inhibitive performance of chitosan and silver nanoparticles – chitosan (AgNPs-Chi) composite towards St37 steel corrosion in 15% H2SO4 solution was studied using weight loss and electrochemical techniques in addition to surface morphological examination. Results obtained show that chitosan could fairly protect St37 steel surface by 45%. Inhibition efficiency above 94% has been achieved with AgNPs-Chi composite. AgNPs-Chi composite performs better at longer immersion time and elevated temperature. AgNPs-Chi retards both anodic and cathodic redox reactions. The mode of adsorption of AgNPs-Chi onto St37 surface has been described using Langmuir adsorption isotherm. Surface screening results ascertain the adsorption of AgNPs-Chi molecules on St37 surface.

KW - Acid solution

KW - Chitosan

KW - Inhibition

KW - Inhibition improvement

KW - Silver nanoparticles

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