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<報文>α型褐鉄鉱の加熱による赤鉄鉱化について
http://hdl.handle.net/10097/32357
http://hdl.handle.net/10097/32357967b8edf-c200-467c-9254-0f5f6c358602
名前 / ファイル | ライセンス | アクション |
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KJ00000134343.pdf (562.0 kB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2008-05-02 | |||||
タイトル | ||||||
タイトル | <報文>α型褐鉄鉱の加熱による赤鉄鉱化について | |||||
言語 | ||||||
言語 | jpn | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | departmental bulletin paper | |||||
著者 |
南部, 松夫
× 南部, 松夫× 伊藤, 建三 |
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著者(ヨミ) | ||||||
姓名 | NAMBU, Matsuo | |||||
著者(ヨミ) | ||||||
姓名 | ITO, Kenzo | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The crystallization process of poorly crystallized ferric oxide formed by the dehydration of three α-type limonites obtained from different localities was studied by means of X-ray powder method. The results are as follows : 1) α-type limonite changes into a mixture of poorly crystallized hematite and amorphous ferric oxide by its thermal decomposition in the temperature range 390-405℃. These two heated products arise from crystalline goethite and amorphous ferric oxide hydrate contained respectively in original limonite. 2) Variations in the degree of crystallization of hematite changed from limonite by heating depend on the difference in the crystallinity of original goethite. 3) At low temperature from 350 to 550℃, the transformation of amorphous ferric oxide into hematite crystallite is predominent, compared with the growth of hematite crystallite. 4) The hematite crystallite formed at low temperature has a tendency of the two dimensional lattice up to about 750℃, and then grows gradually with rising temperature. 5) The crystallization process of poorly crystallized hematite and amorphous ferric oxide formed by thermal dehydration of α-type limonite may be shown as follows : [numerical formula] | |||||
書誌情報 |
東北大學選鑛製錬研究所彙報 = Bulletin of the Research Institute of Mineral Dressing and Metallurgy, Tohoku University 巻 16, 号 1, p. 1-8, 発行日 1960-08-25 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0040876X | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN00168425 | |||||
フォーマット | ||||||
内容記述タイプ | Other | |||||
内容記述 | application/pdf | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
その他の言語のタイトル | ||||||
その他のタイトル | <Original Papers>Hematitization of α-type Limonite by Thermal Dehydration | |||||
出版者 | ||||||
出版者 | 東北大學選鉱製錬研究所 | |||||
資源タイプ | ||||||
内容記述タイプ | Other | |||||
内容記述 | 紀要類(bulletin) | |||||
登録日 | ||||||
日付 | 2008-05-02 | |||||
日付タイプ | Created | |||||
公開日(投稿完了日) | ||||||
日付 | 2008-05-02 | |||||
日付タイプ | Created | |||||
発行日 | ||||||
日付 | 1960-08-25 | |||||
日付タイプ | Created | |||||
フォーマット | ||||||
内容記述タイプ | Other | |||||
内容記述 | 562003 bytes | |||||
公開範囲 | ||||||
値 | 学外 | |||||
更新日 | ||||||
日付 | 2010-01-27 | |||||
日付タイプ | Created |