Formation of Fe(II)_1-Fe(III)_1 Intermediate Green Complex on Oxidation of Ferrous Ion in Neutral and Slightly Alkaline Sulphate Solutions

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概要

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• The formation of Fe(II)-Fe(III)-intermediate green complex in aqueous solutions has been investigated. From the u.v. absorption spectra and the chemical analysis of neutral and slightly alkaline sulphate solutions of 5×10^<-4>-7×10^<-4> mole/l iron at different pH's, the complex Fe(II)_1-Fe(III)_1 was found with the progress of aerial oxidation of Fe(II) species corresponding to FeOH+. The result has been used to estimate the iron composition of solid-green rust II. The participation of the green complex and green rust in the formation of Fe_3O_4 and γ-FeOOH in corrosion process of iron in aqueous solutions was briefly discussed.

• 東北大学の論文

著者

• MISAWA T.

  The Research Institute for Iron, Steel and Other Metals

• HASHIMOTO K.

  The Research Institute for Iron, Steel and Other Metals

• SHIMODAIRA S.

  The Research Institute for Iron, Steel and Other Metals

• Shimodaira S.

  The Research Institute For Iron Steel And Other Metals

• Misawa T.

  The Research Institute For Iron Steel And Other Metals

関連論文

• The Mechanism of Atmospheric Rusting and the Protective Amorphous Rust on Low Alloy Steel(Chemistry)
• The Mechanism of Formation of Iron Oxide and Oxyhydroxides in Aqueous Solutions at Room Temperature(Chemistry)
• Formation of Fe(II)_1-Fe(III)_1 Intermediate Green Complex on Oxidation of Ferrous Ion in Neutral and Slightly Alkaline Sulphate Solutions
• Formation of Fe(II)_1-Fe(III)_3 Green Complex on Oxidation of Ferrous Ion in Perchloric Acid Solution
• The Mechanism of Atmospheric Rusting and the Effect of Cu and P on the Rust Formation of Low Alloy Steels
• The Thermodynamic Consideration for Fe-H_2O System at 25℃
• Spectroscopical Approach to the Mechanism of the Rebinder Effects in MgO Immersed in N, N-dimethylformamide or Dimethylsulfoxide

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