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<14>^C年代測定における炭酸カルシウム質資料の調製方法についての検討
https://doi.org/10.18999/sumrua.4.73
https://doi.org/10.18999/sumrua.4.73406d43b9-4e89-4300-b1c2-617140563667
名前 / ファイル | ライセンス | アクション |
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2010-04-28 | |||||
タイトル | ||||||
タイトル | <14>^C年代測定における炭酸カルシウム質資料の調製方法についての検討 | |||||
その他のタイトル | ||||||
その他のタイトル | Comparison of radiocarbon ages for elemental carbon prepared by two decomposition methods of calcium carbonate samples | |||||
著者 |
池田, 晃子
× 池田, 晃子× Ikeda, Akiko× 太田, 友子× Ohta, Tomoko |
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権利 | ||||||
権利情報 | 名古屋大学年代測定資料研究センター 天然放射性元素測定小委員会 | |||||
権利 | ||||||
権利情報 | 本文データは学協会の許諾に基づきCiNiiから複製したものである | |||||
抄録 | ||||||
内容記述 | We can use mainly two methods, phosphate decomposition and thermal decomposition, to get CO_2 from calcium carbonate samples for ^<14>C dating. It is generally considered that the former is better to get CaCO_3-C selectively. However, it takes much longer time (several hours) to complete phosphate decomposition of calcium carbonate than thermal decomposition (a few hours). For four calcium carbonate samples, we prepared elemental carbon by these two different methods and compared ^<14>C dates of them. ^<14>C dates of elemental carbon prepared by the two methods are consistent with one sigma errors (67% confidence level) for 3 samples, FB-50,FB-80,TAKAS-1. For FB-18 sample, the difference between ^<14>C dates by the two methods is a little larger, but is negligible if two sigma errors (95% confidence level) are used. We want to continue this kind of experiments to confirm that the difference of ^<14>C dates is negligible between the two methods. | |||||
内容記述タイプ | Abstract | |||||
内容記述 | ||||||
内容記述 | タンデトロン加速器質量分析計業境報告 Summaries of Researches Using AMS | |||||
内容記述タイプ | Other | |||||
出版者 | ||||||
出版者 | 名古屋大学年代測定資料研究センター 天然放射性元素測定小委員会 | |||||
言語 | ||||||
言語 | jpn | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | departmental bulletin paper | |||||
ID登録 | ||||||
ID登録 | 10.18999/sumrua.4.73 | |||||
ID登録タイプ | JaLC | |||||
関連情報 | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | URI | |||||
関連識別子 | http://ci.nii.ac.jp/naid/110000475830/ | |||||
書誌情報 |
名古屋大学加速器質量分析計業績報告書 巻 4, p. 73-75, 発行日 1993-03 |
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フォーマット | ||||||
application/pdf | ||||||
著者版フラグ | ||||||
値 | publisher |