Linear organic–inorganic heterometallic copolymers [(Fe, Zn)(H 2 O) 3 {NH(CH 2 PO 3 H) 3 }]  n   and [(Fe, Cd)(H 2 O) 3 {NH(CH 2 PO 3 H) 3 }]  n  : The missing link in the mechanism of inhibiting local steel corrosion with phosphonates

F. F. Chausov; N. V. Somov; R. M. Zakirova; A. A. Alalykin; S. M. Reshetnikov; V. G. Petrov; V. A. Aleksandrov; M. A. Shumilova

doi:10.3103/S106287381703008X

Linear organic–inorganic heterometallic copolymers [(Fe, Zn)(H₂O)₃{NH(CH₂PO₃H)₃}]_n and [(Fe, Cd)(H₂O)₃{NH(CH₂PO₃H)₃}]_n: The missing link in the mechanism of inhibiting local steel corrosion with phosphonates

Authors: Chausov F.F.¹^,2^,3, Somov N.V.⁴, Zakirova R.M.¹, Alalykin A.A.¹, Reshetnikov S.M.¹, Petrov V.G.³, Aleksandrov V.A.³, Shumilova M.A.³
Affiliations:
1. Udmurt State University
2. Physicotechnical Institute, Ural Branch
3. Institute of Mechanics, Ural Branch
4. Lobachevsky National Research University
Issue: Vol 81, No 3 (2017)
Pages: 365-367
Section: Proceedings of the “OMA-19”, “ODPO-19”
URL: https://journals.rcsi.science/1062-8738/article/view/185014
DOI: https://doi.org/10.3103/S106287381703008X
ID: 185014

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Abstract

Heteropolynuclear [Zn_0.5Fe_0.5(H₂O)₃{NH(CH₂PO₃H)₃}]_n and [Cd_0.125Fe_0.875(H₂O)₃{NH(CH₂PO₃H)₃}]_n complexes, which form during interaction between inhibitors of corrosion and Fe2+ ions and play an important role in inhibiting local steel corrosion by complexes of nitrilotrismethylenephosphonic acid, are isolated for the first time. Their composition, structure, and properties are studied by means of XSA, EDRS, IR and Raman spectroscopy.

About the authors

F. F. Chausov

Udmurt State University; Physicotechnical Institute, Ural Branch; Institute of Mechanics, Ural Branch

Author for correspondence.
Email: chaus@udsu.ru
Russian Federation, Izhevsk, 426034; Izhevsk, 426001; Izhevsk, 426034

N. V. Somov

Lobachevsky National Research University

Email: chaus@udsu.ru
Russian Federation, Nizhny Novgorod, 603155