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Electrochemical study of stainless steel surfaces in biodegradable biocides

M. STOICA1,* , G. CÂRÂC2, C. APETREI2, A.-M. CANTARAGIU3

Affiliation

  1. Department of Biochemistry and Technologies, Faculty of Food Science and Engineering, “Dunarea de Jos” University of Galati, Romania, Email: maricica.stoica@ugal.ro
  2. Department of Chemistry, Faculty of Sciences, “Dunarea de Jos” University of Galati, Romania
  3. Faculty of Mechanics, “Dunarea de Jos” University of Galati, Romania

Abstract

The aim of this study is to evaluate the electrochemical behaviour of Stainless Steel (SS) surfaces in biocide solutions used in food contact surface. The action of three disinfectants was studied: Neoseptal, Actisept and Anasept. The samples of AISI 304 SS were exposed to the disinfectant solutions and after this treatment were examined by Scanning Electron Microscopy (SEM). The electrochemical behaviour of AISI 304 SS in the solutions was put in evidence by linear polarisation measurements. SEM analysis demonstrated that damages depend on the chemical nature of the disinfectant. The voltammetry measurements have shown a strong influence of biocide solution in the electrochemical behaviour of SS..

Keywords

Stainless steel, Disinfectants, Linear polarization.

Submitted at: April 7, 2010
Accepted at: April 26, 2010

Citation

M. STOICA, G. CÂRÂC, C. APETREI, A.-M. CANTARAGIU, Electrochemical study of stainless steel surfaces in biodegradable biocides, Journal of Optoelectronics and Advanced Materials Vol. 12, Iss. 4, pp. 919-922 (2010)