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  • HomeTable of ContentsList of ArticlesAbstract

    Chem Sci Trans., 2013, 2(2),  pp 570-574  

    DOI:10.7598/cst2013.387

    Research Article

    The Inhibition Effect of Corrosion of Carbon Steel in Seawater by Diethylene Triamine Pentamethylene Phosphonic Acid and Al3+ System

  • K. KAVIPRIYA, J. SATHIYABAMA, P. PRABHAKAR and S. RAJENDRAN
  • Corrosion Research Centre, PG and Research Department of Chemistry, GTN Arts College, Dindigul-624005, India
    PG and Research Department of Chemistry, APA College of Arts and Culture, Palani- 624602, India
    Department of Chemistry, RVS School of Engineering and Technology, Dindigul-624005, India

    • Abstract

    The inhibition of the corrosion of carbon steel in seawater by diethylene triamine pentamethylene phosphonic acid (DTPMP) and Al3+ has been investigated using weight loss and electrochemical measurements. The results show that 65% inhibition efficiency is achieved with binary system consisting of 250 ppm of DTPMP and 50 ppm of Al3+. Polarization curves indicate that the system is a mixed inhibitor. The surface morphology of the metal surface is examined using the scanning electron microscope.

    Keywords

    Corrosion inhibition, Carbon steel, Seawater, SEM

    HISTORY

  • Received 17 September 2012
  • Accepted 20 October 2012

    • Author's Email

  • sennikavi@yahoo.co.in
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