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
Ф. Ф. ЧаусовInstitute of Mechanics, Ural Branch, Russian Academy of Sciences, Izhevsk, 426034, RussiaН. В. СомовLobachevsky National Research University, Nizhny Novgorod, 603155, RussiaР. М. ЗакироваUdmurt State University, Izhevsk, 426034, RussiaА. А. АлалыкинUdmurt State University, Izhevsk, 426034, RussiaС. М. РешетниковUdmurt State University, Izhevsk, 426034, RussiaВ. Г. ПетровInstitute of Mechanics, Ural Branch, Russian Academy of Sciences, Izhevsk, 426034, RussiaВ. А. АлександровInstitute of Mechanics, Ural Branch, Russian Academy of Sciences, Izhevsk, 426034, RussiaМ. А. ШумиловаInstitute of Mechanics, Ural Branch, Russian Academy of Sciences, Izhevsk, 426034, Russia
ABI
Аннотация
Heteropolynuclear [Zn0.5Fe0.5(H2O)3{NH(CH2PO3H)3}] n and [Cd0.125Fe0.875(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.
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