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X-ray photoelectron spectroscopy of corrosion inhibitors on metal surfaces 1. Adsorption of chromates on magnesium alloys

  • Inorganic Chemistry
  • Published:
Bulletin of the Academy of Sciences of the USSR, Division of chemical science Aims and scope

Conclusions

  1. 1.

    The composition of the surface layers formed when chromate solutions are applied to a magnesium alloy has been studied.

  2. 2.

    The interaction results in the strong adsorption of the chromate with the reduction of chromium to the +3 oxidation state.

  3. 3.

    Chromate is weakly adsorbed on the surface of a magnesium alloy preliminarily oxidized in water, its amount on the surface is small, and its oxidation state is equal to +6.

  4. 4.

    It has been postulated that the protective layer consists of a mixed oxide of magnesium and chromium.

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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 5, pp. 972–977, May, 1983.

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Zimin, P.A., Kazanskii, L.P., Kleshnina, S.I. et al. X-ray photoelectron spectroscopy of corrosion inhibitors on metal surfaces 1. Adsorption of chromates on magnesium alloys. Russ Chem Bull 32, 876–880 (1983). https://doi.org/10.1007/BF00956130

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  • DOI: https://doi.org/10.1007/BF00956130

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