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Abstract                 Volume:6  Issue-1  Year-2018          Original Research Articles


Online ISSN : 2347 - 3215
Issues : 12 per year
Publisher : Excellent Publishers
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The Effect of Gramine on Corrosion Behaviour of Brass in Phosphoric Acid
Akilan, A. Kannan and V. Chandrasekaran*
Department of Chemistry, Government Arts College (Autonomous), Salem – 636 007, Tamil Nadu, India
*Corresponding author
Abstract:

The corrosion behavior of brass in phosphoric acid was studied with Gramine as inhibitor at different temperatures and various time intervals by weight-loss measurements and potentiodynamic polarization. It is reported that the inhibition efficiency varied with concentrations of the inhibitor, immersion time, and temperatures. The adsorption of inhibitor on the brass surface obeyed Temkin adsorption isotherm. The activation energy was calculated. The polarization measurements showed that the inhibitor behaves as a mixed type inhibitor and the higher inhibition surface coverage on the brass was predicted. Surface analytical techniques were carried out to the inhibitive nature of the inhibitors.

Keywords: Brass,Phosphoric acid,Gramine, Inhibition,Polarization,Temkin adsorption isotherm
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How to cite this article:

Akilan P., A. Kannan and Chandrasekaran V. 2018. The Effect of Gramine on Corrosion Behaviour of Brass in Phosphoric Acid.Int.J.Curr.Res.Aca.Rev. 6(1): 17-24
doi: https://doi.org/10.20546/ijcrar.2018.601.003