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    • Keywords


      Synergistic inhibition; calcium gluconate; 2-carboxy ethyl phosphonic acid

    • Abstract


      2-Carboxy ethyl phosphonic acid (2-CEPA) in presence of zinc ions synergistically inhibits mild steel corrosion in 60 ppm chloride solutions. Addition of calcium gluconate provides enhanced inhibition. Spectrochemical analyses of the solution and the surface inhibitor film reveal the presence of Zn (OH)2 and iron phosphono gluconate complex.

    • Author Affiliations


      G Gunasekaran1 N Palaniswamy1 B V Apparao1 2 V S Muralidharan1

      1. Central Electrochemical Research Institute, Karaikudi - 630 006, India
      2. Department of Chemistry, Regional Engineering College, Warangal - 506 004, India
    • Dates

  • Journal of Chemical Sciences | News

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