Preparation and properties of iron(II) hydroxide-(sodium fluoride tetrasilicic mica) intercalation complexes.

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概要

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• Iron(II) hydroxide–(sodium fluoride tetrasilicic mica) intercalation complexes, which have a chloritelike structure, were prepared by titrating iron(II) sulfate solutions in the presence of mica with sodium hydroxide under oxygen-free conditions. The formation of iron(II) hydroxide sheets between the silicate layers was evaluated by chemical analysis, XRD, DTA-TGA, and surface-area measurement. The presence of water is essential for the oxidizing of these complexes to occur at room temperature by air, because the O<SUB>2</SUB> attack on the surface of these iron(II) hydroxide sheets is hindered by the silicate layers. Fine highly dispersed iron metal particles (α-Fe) were formed on the external surface of the silicate by the H<SUB>2</SUB> reduction of the complexes.

• 公益社団法人 日本化学会の論文

著者

• OHTSUKA Kunio

  Research & Development Laboratory, Mitsubishi Mining & Cement Co., Ltd.

• Suda Mitsuru

  Research & Development Center, Ceramics, Mitsubishi Mining & Cement Co., Ltd.

• Ono Mikiya

  Research & Development Center, Ceramics, Mitsubishi Mining & Cement Co., Ltd.

関連論文

• Magnetic Properties of Hydroxy Ni-Mica Intercalation
• Effect of Porous Structure to Piezoelectric Properties of PZT Ceramics : F: FERROELECTRIC MATERIALS
• Preparation and properties of cobalt(II) hydroxide-(sodium fluoride tetrasilicic mica) intercalation complexes and of highly dispersed cobalt on mica.
• Preparation and properties of iron(II) hydroxide-(sodium fluoride tetrasilicic mica) intercalation complexes.

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