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    STUDIA CHEMIA - Issue no. 1 / 2020  
         
  Article:   INHIBITION EFFECT OF SOME COMMERCIAL CORROSION INHIBITORS ON MILD STEEL IN 7.0 M PHOSPHORIC ACID.

Authors:  JULIETA DANIELA CHELARU, MIHAELA CIOBRA, LIANA MARIA MUREȘAN.
 
       
         
  Abstract:  
DOI: 10.24193/subbchem.2020.1.02

Published Online: 2020-03-30
Published Print: 2020-03-30
pp. 17-26
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Corrosion tests were carried out in order to find the best inhibitor for the protection of steel pipelines used in H3PO4 and fertilizers industry. The corrosion inhibition efficiency of five commercial inhibitors was investigated on mild steel by using electrochemical methods (EIS and polarization curves) in a 7M H3PO4 solution (pH 0.5). The efficiency of best corrosion inhibitors was tested at different concentrations.

Key words: mild steel, corrosion inhibitors, electrochemical impedance spectroscopy, polarization curves, inhibitor efficiency, phosphoric acid.
 
         
     
         
         
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