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The Influence of Steel Surface Modifying with Zinc Complexes of Phosphonic Acids on the Efficiency of Its Passivation by Organic Inhibitors

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Abstract

The efficiency of films prepared in aqueous solutions of organic inhibitors on the surface of low-carbon steel preliminarily modified in solutions of zinc complexes with 1-hydroxyethane-1,1-diphosphonic (Zn-HEDP) or aminotrimethylenephosphonic acids (Zn-AMP) is studied by electrochemical and corrosion methods. It is shown that modifying considerably increases the efficiency of passivation and that Zn-AMP is much more efficient in this respect than Zn-HEDP

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Correspondence to A. A. Chirkunov or Yu. I. Kuznetsov.

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Chirkunov, A.A., Chugunov, D.O., Red’kina, G.V. et al. The Influence of Steel Surface Modifying with Zinc Complexes of Phosphonic Acids on the Efficiency of Its Passivation by Organic Inhibitors. Russ J Electrochem 55, 115–121 (2019). https://doi.org/10.1134/S1023193519010026

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  • DOI: https://doi.org/10.1134/S1023193519010026

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