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  1. F300 宇宙地球環境研究所
  2. F300b 紀要
  3. 名古屋大学加速器質量分析計業績報告書
  4. 18

湖沼堆積物に含まれる脂質化合物の放射性炭素年代測定に関する基礎研究(タンデトロン加速器質量分析計業績報告2006(平成18)年度)

https://doi.org/10.18999/sumrua.18.203
https://doi.org/10.18999/sumrua.18.203
563c32da-708d-4a88-9715-56f86bd722fc
名前 / ファイル ライセンス アクション
KJ00005461901.pdf KJ00005461901.pdf (410.5 kB)
Item type 紀要論文 / Departmental Bulletin Paper(1)
公開日 2010-06-10
タイトル
タイトル 湖沼堆積物に含まれる脂質化合物の放射性炭素年代測定に関する基礎研究(タンデトロン加速器質量分析計業績報告2006(平成18)年度)
言語 ja
その他のタイトル
その他のタイトル The AMS dating of lipids in lake sediments : a basic study of lipids extraction method for ^<14>C measurement(Summaries of Research Using AMS)
言語 en
著者 渡邊, 隆広

× 渡邊, 隆広

WEKO 82486

ja 渡邊, 隆広

Search repository
WATANABE, Takahiro

× WATANABE, Takahiro

WEKO 82487

en WATANABE, Takahiro

Search repository
中村, 俊夫

× 中村, 俊夫

WEKO 82488

ja 中村, 俊夫

Search repository
NAKAMURA, Toshio

× NAKAMURA, Toshio

WEKO 82489

en NAKAMURA, Toshio

Search repository
西村, 弥亜

× 西村, 弥亜

WEKO 82490

ja 西村, 弥亜

Search repository
NISHIMURA, Mistugu

× NISHIMURA, Mistugu

WEKO 82491

en NISHIMURA, Mistugu

Search repository
アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
権利
言語 ja
権利情報 名古屋大学年代測定資料研究センター
権利
言語 ja
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 湖沼堆積物中の脂質化合物(脂肪酸、炭化水素等)の放射性炭素年代測定を目的とした基礎実験結果を報告する。標準試料として直鎖状飽和脂肪酸メチルエステル混合物(炭素数16-24)、直鎖状飽和炭化水素 (Octacosane,炭素数28)を用いて、抽出操作前と後での年代値を比較した。直鎖状飽和脂肪酸メチルエステル混合物においては、脂質抽出操作により平均100年程度、^<14>C年代が古くなる結果が得られた。直鎖状飽和炭化水素においてはバックグラウンドに近い値が得られ、脂質抽出操作前と後での^<14>C年代値に差は認められなかった。脂肪酸の年代値が変化した理由として、使用した有機溶媒(ジクロロメタン、メタノール)の調製法の違いによるものと考えられる。
言語 ja
内容記述タイプ Abstract
抄録
内容記述 The age dating and age models for the Late Pleistocene-Holocene studies have mainly progressed by radiocarbon measurements of biogenic materials (total organic carbon (TOC), plant residues, micro fossils) using accelerator mass spectrometry (AMS; Andreev et al., 2001; Yi et al., 2004; Vasi'chuk et al., 2004; Bezrukova et al., 2005). AMS radiocarbon dating is indispensable to perform paleo-environmental, climatic and biological studies. Radiocarbon dating of sedimentary lipids provides relatively accurate age, because total organic carbon (TOC) in the sediments is complex mixture of various organic materials. In this study, we estimate modern and/or dead carbon effect on radiocarbon dating by lipid extraction procedures for lake sediments. For lipids extraction, authentic lipids and wet sediment samples were weighted in 70 ml Teflon centrifuged tubes. 50ml of dichloromethane/methanol (2:1v/v, grade 5000, WAKO) were added in each tubes, then ultrasonicated, shaken with ceramic balls (30 min.) and centrifuged. The supernatant was removed and repeated 3-5 times until the supernatant was colorless. For radiocarbon dating and stable carbon isotope measurements, lipids were combusted at 850℃ for 6 hours in evacuated bycol tubes (9mm x 35 cm) with CuO and Ag wire. The resulting CO_2 was collected and purified in a vacuum line and subsequently reduced to graphite with an iron catalyst and hydrogen at 650℃ for 6h. Radiocarbon measurements were performed by Tandetron accelerator mass spectrometer (Model-4130 AMS, HVEE) at Nagoya University.
言語 en
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績報告 Summaries of Researches Using AMS 2006 (平成18)年度
言語 ja
内容記述タイプ Other
出版者
言語 ja
出版者 名古屋大学年代測定資料研究センター
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
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
ID登録
ID登録 10.18999/sumrua.18.203
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/110007150975/
書誌情報 ja : 名古屋大学加速器質量分析計業績報告書

巻 18, p. 203-210, 発行日 2007-03
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