[PDF][PDF] Inhibitive Action and Adsorption Characteristics of Alternanthera bettzickiana Extracts on the Corrosion of Mild Steel in Acidic Media
A Obike, C Ikenga, K Uwakwe… - Int. Res. J. Pure Appl …, 2017 - researchgate.net
The inhibitive action of leaves, stem and root extracts of Alternanthera bettzickiana on mild
steel corrosion in 5 MH2so4 solutions was studied using gravimetric technique in the
temperature range 30 C to 60 C. Maximum inhibition efficiency (and surface coverage) was
obtained at an optimum concentration. However, increase in temperature decreased the
inhibition efficiency at the temperature range studied. The experimental data complied with
the Langmuir, Freundlich and Temkin adsorption isotherm and the value and sign of the …
steel corrosion in 5 MH2so4 solutions was studied using gravimetric technique in the
temperature range 30 C to 60 C. Maximum inhibition efficiency (and surface coverage) was
obtained at an optimum concentration. However, increase in temperature decreased the
inhibition efficiency at the temperature range studied. The experimental data complied with
the Langmuir, Freundlich and Temkin adsorption isotherm and the value and sign of the …
Abstract
The inhibitive action of leaves, stem and root extracts of Alternanthera bettzickiana on mild steel corrosion in 5 MH2so4 solutions was studied using gravimetric technique in the temperature range 30 C to 60 C. Maximum inhibition efficiency (and surface coverage) was obtained at an optimum concentration. However, increase in temperature decreased the inhibition efficiency at the temperature range studied. The experimental data complied with the Langmuir, Freundlich and Temkin adsorption isotherm and the value and sign of the Gibb’s free energy of adsorption
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