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静岡大学における^<14>C年代測定用ベンゼン合成法
https://doi.org/10.14945/00000338
https://doi.org/10.14945/00000338631bc10c-287c-4d6d-9d5d-e2c579d34eba
名前 / ファイル | ライセンス | アクション |
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KJ00000102394.pdf (1.2 MB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||||
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公開日 | 2008-01-25 | |||||||
タイトル | ||||||||
タイトル | 静岡大学における^<14>C年代測定用ベンゼン合成法 | |||||||
言語 | ||||||||
言語 | jpn | |||||||
キーワード | ||||||||
主題Scheme | Other | |||||||
主題 | ^<14>C dating | |||||||
キーワード | ||||||||
主題Scheme | Other | |||||||
主題 | benzene synthesis | |||||||
キーワード | ||||||||
主題Scheme | Other | |||||||
主題 | liquid scintillation method | |||||||
キーワード | ||||||||
主題Scheme | Other | |||||||
主題 | isotopic fractionation | |||||||
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 | |||||||
ID登録 | ||||||||
ID登録 | 10.14945/00000338 | |||||||
ID登録タイプ | JaLC | |||||||
タイトル(別言語) | ||||||||
その他のタイトル | Benzene synthesis for radiocarbon dating at Shizuoka University | |||||||
著者 |
福原, 達雄
× 福原, 達雄× 猪俣, 和× 和田, 秀樹
WEKO
188
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書誌情報 |
静岡大学地球科学研究報告 巻 22, p. 47-58, 発行日 1995-07 |
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出版者 | ||||||||
出版者 | 静岡大学地球科学教室 | |||||||
NDC | ||||||||
主題Scheme | NDC | |||||||
主題 | 450 | |||||||
抄録 | ||||||||
内容記述タイプ | Abstract | |||||||
内容記述 | In this study, we improved the benzene synthetic system for radiocarbon dating constructed by Inomata (1992 MS) at Shizuoka University and describe the method in detail. A decarbonation system for carbonate samples such as shells and corals was additionally installed into the benzene synthetic system in order to measure carbonate ^<14>C-ages. We used 10 benzene samples, such as buried woods, charcoal, commercial cokes and fossil shells to measure ^<14>C using a liquid scintillation counter. The yields of these 10 samples during sample combustion were more than 99% after correction for the charcoal carbon content, and during decarbonation were 69〜94% with a mean value of 84%. The yields from carbon dioxide into acetylene were 80〜96% with a mean value of 90%, and from acetylene into benzene were 76〜95% with a mean value of 86%. Carbon isotopic fractionation during combution into CO_2 from charcoal samples was less than 1%o and that through the whole procedure of benzene synthesis was about ±3‰. The purity of benzene synthesized was 98.7〜99.9% by NMR and there were no impurities such as acetone, or ethyl alcohol, but 0.06〜1.34% toluene was detected. Using this system, a buried wood sample collected from the Kawagodaira pyroclastic flow was synthesized into benzene. The measured ^<14>C-age was 3,400±80 y B.P., which was slightly older than before reported. | |||||||
ISSN | ||||||||
収録物識別子タイプ | ISSN | |||||||
収録物識別子 | 03886298 | |||||||
NII論文ID | ||||||||
関連タイプ | isIdenticalTo | |||||||
識別子タイプ | NAID | |||||||
関連識別子 | 110000413368 | |||||||
NII書誌ID | ||||||||
収録物識別子タイプ | NCID | |||||||
収録物識別子 | AN00103190 | |||||||
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 |