Okeniyi, Joshua Olusegun and Loto, C. A. and Popoola, Abimbola Patricia Idowu (2015) Inhibition of Steel-Rebar Corrosion in Industrial/Microbial Simulating-Environment by <i>Morinda lucida</i>. Solid State Phenomena, 227. pp. 281-285.
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This paper studies inhibition of steel-rebar corrosion in concrete immersed in 0.5 M H<inf>2</inf>SO<inf>4</inf>, simulating industrial/microbial environment by the leaf extract of Morinda lucida. Electrochemical monitoring methods were employed for testing different concentrations of the leaf extract admixed in duplicated specimens of steel-reinforced concrete slabs immersed in the acidic test-system. Statistical analyses as per ASTM G16-95 R04 of the experimental results showed that effectiveness of Morinda lucida at inhibiting concrete steel-rebar corrosion increased with the concentration of the admixture. 0.4167% Morinda lucida, per weight of cement, was identified with optimum inhibition efficiency η = 98.78±0.34% followed in effectiveness by 0.3333% Morinda lucida with η = 93.20±1.76% at inhibiting steel-rebar corrosion in the corrosive test-environment. © (2015) Trans Tech Publications, Switzerland.
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