ゲータイトの結晶学的モルフォロジー制御 Crystallographical and Morphology Control of Goethite Particles

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The crystallographical and morphological properties of goethite particles in the course of oxidation in the strong alkaline solution was studied from X-ray diffraction analysis under the systematically controlled synthesizing conditions. The crystallite size ratio, D<SUB>010</SUB>D<SUB>110</SUB>, was changed by excess alkali content and oxidation conditions. The particle morphology of goethite depends on the relative growth rates of each faces of goethite crystals. From the SEM observation, the vertical and horizontal axes of goethite are proposed to be (110) and the lateral growth is assumed to be occurred along (110) easily because of the topotaxy between Fe(OH)<SUB>2</SUB> and goethite. It is concluded that the crystallite size ratio depends on the development of (110) face during crystal growth, which in turn, is related to the ferrous complex (FeOH<SUP>+</SUP>) content.

収録刊行物

  • 粉体および粉末冶金  

    粉体および粉末冶金 43(1), 52-58, 1996-01-15 

    Japan Society of Powder and Powder Metallurgy

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各種コード

  • NII論文ID(NAID)
    10002011039
  • NII書誌ID(NCID)
    AN00222724
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    05328799
  • NDL 記事登録ID
    3918034
  • NDL 雑誌分類
    ZP41(科学技術--金属工学・鉱山工学)
  • NDL 請求記号
    Z17-274
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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