Ca(NO<sub>3</sub>)<sub>2</sub> と MgCl<sub>2</sub> とを含浸した球状シリカゲルからの多孔質ディオプサイド微粒子の調製
書誌事項
- タイトル別名
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- Preparation of Porous Diopside Microspheres from Spherical Silica Gels Impregnated with Ca(NO3)2 and MgCl2
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説明
Porous diopside microspheres, CaO·MgO·2SiO2, were prepared by heat treatment, at various temperatures, of spherical silica gel particles impregnated with Ca(NO3)2 and MgCl2. Spherical silica gel particles were prepared by the sol-gel method in an O/W emulsion using tetraethyl orthosilicate. When the silica gel particles containing Ca(NO3)2 and MgCl2 were heated at temperatures above 900°C, the results of X-ray powder diffractionmetry (XRD) and Fourier transform infrared spectroscopy (FT-IR) showed that the silica gels were crystallized into diopside, and scanning electron microscopy (SEM) observation revealed that a uniform porous structure was formed in the particles. The porosity in the diopside is believed to be caused by the mutual adhesion of smaller pores in the silica gel particles during the viscous sintering process.<br>
収録刊行物
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- Journal of the Ceramic Society of Japan (日本セラミックス協会学術論文誌)
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Journal of the Ceramic Society of Japan (日本セラミックス協会学術論文誌) 112 (1303), 133-137, 2004
公益社団法人 日本セラミックス協会
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詳細情報 詳細情報について
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- CRID
- 1390282680226323712
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- NII論文ID
- 110002288178
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- NII書誌ID
- AN10040326
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- ISSN
- 18821022
- 09145400
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- NDL書誌ID
- 6874752
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
- KAKEN
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- 抄録ライセンスフラグ
- 使用不可
