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ABSTRACT
Corrosion is the deterioration of metal caused by chemical reactions or interactions with its surroundings. In order to address the issue of corrosion which is a major challenge in the metallurgical industry, there is need to introduce an inhibitor to combat this issue of corrosion. Before now, chemical inhibitors has been in use and because of the risk, toxicity and disadvantages of these chemical inhibitors, there is a current trend that is moving away from the use of chemical inhibitors to the use of green organic inhibitor that is sustainable and environmentally friendly. In this research work, the inhibition of corrosion on mild steel in 1M HCl solution was evaluated by utilizing Ficus sur extract which serves as the corrosion inhibitor. The synthesis of the ficus sur was done using the hot maceration method and the study of the corrosion rate was done using the gravimetric weight loss method and the concentrations of Ficus sur extracts used ranges from 0.0g (blank), 0.1g, 0.2g, 0.3g and 0.4g and the temperature was varied at three temperatures of 25°C (298K), 48°C (321K) and 60°C (333K).
