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Investigation of Corrosion Inhibition of Stainless steel by Sodium tungstate

Author Affiliations

  • 1PG and Research Department of Chemistry, St. Joseph’s College (Autonomous), Tiruchirappalli, Tamil Nadu, INDIA
  • 2Corrosion Research Centre, PG and Research Department of Chemistry, GTN Arts College, Dindigul, Tamil Nadu, INDIA
  • 3Department of Chemistry, RVS School of Engineering and Technology, Dindigul, Tamil Nadu, INDIA
  • 4 Department of Chemistry, Chettinad College of Engineering and Technology, Karur, Tamil Nadu, INDIA

Res.J.chem.sci., Volume 3, Issue (2), Pages 54-58, February,18 (2013)


The corrosion inhibition of sodium tungstate (ST) in controlling corrosion of stainless steel 410 in sea water in the absence and presence of Zn2+ has been evaluated by weight loss method. The formulation consists of 250 ppm of ST and 50 ppm of Zn2+ has 98% IE. AC impedance spectra reveals that the formation of protective film on the metal surface. The nature of the protective film has been characterized by scanning electron microscopy (SEM) and atomic force microscopy (AFM).


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