Journal :   Asian Journal of Research in Chemistry

Volume No. :   12

Issue No. :  4

Year :  2019

Pages :   217-221

ISSN Print :  0974-4169

ISSN Online :  0974-4150


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A Study on the Potential Corrosion Inhibitor with expired water soluble povidone-Iodine ointment for Aluminum in aqueous HCl solution: Sustainable approach towards Inhibition of Aluminum Corrosion using the Medicinal waste Product



Address:   Narasimha Raghavendra*, Leena V Hublikar
Department of Chemistry, K.L.E. Society's P. C. Jabin Science College (Autonomous) Vidyanagar, Hubballi-580031
*Corresponding Author
DOI No: 10.5958/0974-4150.2019.00041.5

ABSTRACT:
Expired Povidone-iodine ointment has been investigated as potential corrosion inhibitor for controlling the Al corrosion process on Al submerged in the aqueous HCl solution. The present investigation clearly shows that, less Al corrosion has been observed in the case of Al pieces immersed in the acid solution containing different amounts of expired Povidone-iodine ointment. Weight loss, gasometric, Tafel plot and impedance techniques were used to detect the Al corrosion products and results of these techniques shows that, protective invisible layer formed on the Al surface by Povidone-iodine ointment which greatly protects the further dissolution of Al in the 3 M aqueous hydrochloric acid solution.
KEYWORDS:
Weight loss, Gasometric, HCl solution, Tafel plot, Impedance.
Cite:
Narasimha Raghavendra, Leena V Hublikar. A Study on the Potential Corrosion Inhibitor with expired water soluble povidone-Iodine ointment for Aluminum in aqueous HCl solution: Sustainable approach towards Inhibition of Aluminum Corrosion using the Medicinal waste Product. Asian J. Research Chem. 2019; 12(4):217-221.
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