alexa Effect of Temperature on Inhibitory Efficacy of Azadirachta indica Fruit on Acid Corrosion of Aluminium
ISSN ONLINE(2319-8753)PRINT(2347-6710)

International Journal of Innovative Research in Science, Engineering and Technology
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Research Article

Effect of Temperature on Inhibitory Efficacy of Azadirachta indica Fruit on Acid Corrosion of Aluminium

 
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Abstract

Azadirachta indica (Neem) is one of the most versatile medicinal plants having wide spectrum of biological activity. The Azadirachta indica fruit is rich nimbin, nimbinin, nimbidin, metiantriol (triterpenoid), azadirone, epoxyazadiradione etc. The inhibitory efficacy of ethanolic extract of Azadirachta indica fruit (EEAiF) has been investigated at room as well as elevated temperatures and the IE % has been observed significantly high (92.37 %) at room temperature at concentration 1.052g/L. The experimentations has been carried out on acid corrosion of Aluminium using weight loss measurement. The high inhibitive effect is attributed due to these photochemical present in the extract. Efficiency of the inhibitor increases with the increasing concentration of inhibitor. The thermodynamic parameters for Azadirachta indica fruit extract indicate that the process was spontaneous and the active constituents have been physically adsorbed onto the metal surface. The adsorptive behavior of the inhibitor at room and higher temperatures has been further endorsed by carrying out FT-IR spectroscopy.

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