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Electrochemical Behaviour of Mild Steel and Benzotriazole in Dilute Sulphuric Acid Medium in the Presence of Sodium Fluoride

	International Journal of Scientific Research and Engineering Development (IJSRED)	Full Text:
	Published Issue : Volume-3 Issue-6
	Year of Publication : 2020
	Unique Identification Number : IJSRED-V3I6P94
	Authors : Satyendra Sharma, Arvind Kumar Singh
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Abstract :

Benzotriazole is a good inhibitor for the mild Steel in dilute Sulphuric acid medium. The corrosion of mild steel goes on increasing with increasing the concentration of fluoride ions. After the concentration of 5x10-2 M of fluoride ions, it decreases on increasing the concentration of fluoride ions with fixed concentration of Benzotriazole, the inhibitive power is not affected up to certain extent but latter it is diminished. Adsorption of inhibitor on the mild steel follow the Langmuir Adsorption Isotherm. Potentiometric and thermodynamic studies are made to verify the result. Potentiometric study shows the cathodic nature of inhibitor.