2011 Fiscal Year Final Research Report
The estimation of origin of feed materials for archeological and cultural property iron with an indicator of trace elements
| Project/Area Number |
21500990
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Cultural property science
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| Research Institution | Tokyo City University |
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Principal Investigator |
HIRAI Shoji 東京都市大学, 名誉教授 (30112981)
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| Research Collaborator |
UEMASTU Hiroki 東京都市大学, 大学院・工学研究科, 院生(修士)
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| Project Period (FY) |
2009 – 2011
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| Keywords | 文化財鉄器 / 鉄原料の産地推定 / 蛍光X線分析法 / ヒ素 / アンチモン / 鉄釘 |
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| Research Abstract |
It was found that arsenic and antimony in iron and steel were determined with a good precision at a few ppm of concentration level by using of a new developed energy dispersive X-ray analyzer. Iron nails of the Edo era were analyzed by an X-ray fluorescence analysis with this analyzer and other chemical analysis, an atomic absorption spectrometry, a laser ICP mass spectrometry and a neutron activation analysis. It was estimated by a comparison of these analytical results that the property of the iron nails was heterogeneous. The iron nails used for Toji temple at the Kamakura to Edo era were analyzed. As a results, the origin of feed materials for these nails were divided into five groups by the indicator of As/Sb concentration ratio.
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