粉体および粉末冶金
Online ISSN : 1880-9014
Print ISSN : 0532-8799
ISSN-L : 0532-8799
研究論文
熊本県下扇原遺跡出土古代ベンガラのキャラクタリゼーション
辻 広美村上 隆宮崎 敬士橋本 英樹團野 瑛章草野 圭弘菊地 孝宏中西 真藤井 達生高田 潤
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ジャーナル オープンアクセス

2013 年 60 巻 4 号 p. 146-153

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抄録

To clarify the detailed features of the red bengala samples excavated from the Shimo-ohgibaru archaeological site in the late Yayoi period (2nd to 3rd century A.D.) from the viewpoint of materials science, colorimetric measurements, X-ray fluorescence analyses, X-ray diffraction measurements, transmission electron microscope observations, and surface area measurements of the ancient bengala samples were achieved. The ancient bengala sample was found to be high purity α - Fe2O3. The features of the color tone and particle size of the ancient bengala were clarified by comparing with those of commercially available bengala, Fukiya bengala, and synthesized α-Fe2O3. In addition, the starting materials and synthesis processes of the ancient bengala were discussed by applying the elutriation experiments of representative natural hematite and heat-treated natural iron hydroxide (Oniita).

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© 2013社団法人粉体粉末冶金協会

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https://creativecommons.org/licenses/by-nc-nd/4.0/deed.ja
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