Aluminium-Bearing Ferrite Formation from γ-FeOOH in an Aqueous Suspension
Kazuo Itô, Yutaka Tamaura, Takashi Katsura
Abstract
Kazuo Itô, Yutaka Tamaura, Takashi Katsura
Abstract
Abstract Stoichiometric Al-bearing ferrites[AlxFe3-xO4 (x=0.05–0.46)] are formed by a transformation reaction from γ-FeOOH in an aqueous suspension. The transformation reaction proceeds in a suspension containing γ-FeOOH, Fe(II) and Al ions without oxidation at 25°C and a pH of 9.5–11.0.
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Abstract Stoichiometric Al-bearing ferrites[AlxFe3-xO4 (x=0.05–0.46)] are formed by a transformation reaction from γ-FeOOH in an aqueous suspension. The transformation reaction proceeds in a suspension containing γ-FeOOH, Fe(II) and Al ions without oxidation at 25°C and a pH of 9.5–11.0.
Key concepts: Chemistry, Aqueous suspension, Aqueous solution, Suspension (topology), Stoichiometry, Ferrite (magnet), Aluminium, Ion