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Achievement of accurate C-14 dating for charcoal based on a chemical index

Research Project

Project/Area Number 15H02947
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Cultural assets study and museology
Research InstitutionNagoya University

Principal Investigator

MINAMI MASAYO  名古屋大学, 宇宙地球環境研究所, 准教授 (90324392)

Co-Investigator(Kenkyū-buntansha) 鍵 裕之  東京大学, 大学院理学系研究科(理学部), 教授 (70233666)
三村 耕一  名古屋大学, 環境学研究科, 准教授 (80262848)
Research Collaborator TOMIYAMA SHINJI  名古屋大学, 大学院環境学研究科
NAKAMURA TOSHIO  名古屋大学, 名誉教授 (10135387)
Project Period (FY) 2015-04-01 – 2018-03-31
Project Status Completed (Fiscal Year 2017)
Budget Amount *help
¥18,980,000 (Direct Cost: ¥14,600,000、Indirect Cost: ¥4,380,000)
Fiscal Year 2017: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
Fiscal Year 2016: ¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000)
Fiscal Year 2015: ¥14,040,000 (Direct Cost: ¥10,800,000、Indirect Cost: ¥3,240,000)
Keywords炭素14年代 / 炭化物 / 化学処理 / 元素分析 / 赤外吸収スペクトル / 蛍光X線回折パターン / 化学前処理 / 蛍光X線回析パターン / 化学処理法 / 姶良テフラ / 段階的加熱
Outline of Final Research Achievements

This study assesses two pre-treatments of charcoal samples: acid-base-acid (ABA) treatment and acid-base-oxidation with stepped combustion (ABOx-SC) treatment. In addition to C14, the effects of the treatments on the chemical structure and composition of charcoal were studied.
The ABOx-treated charcoal yielded older C14 dates than the ABA-treated samples, probably owing to the effects of removing organic contaminants bound to the edges of the aromatic molecular structures produced by the original pyrolysis. This investigation of the structural and compositional changes of charcoal during its pre-treatment demonstrates that oxidation treatment and stepped combustion can remove contaminants preferentially from the ABA-treated charcoal and ABOx-treated charcoal, respectively. Especially, the stepped combustion, not the chemical oxidation, is a key to reduce contaminant residue left after ABA and ABOx treatments.

Report

(4 results)
  • 2017 Annual Research Report   Final Research Report ( PDF )
  • 2016 Annual Research Report
  • 2015 Annual Research Report
  • Research Products

    (25 results)

All 2018 2017 2016 2015 Other

All Int'l Joint Research (2 results) Journal Article (12 results) (of which Int'l Joint Research: 3 results,  Peer Reviewed: 6 results,  Open Access: 7 results,  Acknowledgement Compliant: 5 results) Presentation (10 results) (of which Int'l Joint Research: 3 results,  Invited: 2 results) Book (1 results)

  • [Int'l Joint Research] KIGAM(韓国)

    • Related Report
      2017 Annual Research Report
  • [Int'l Joint Research] University of Kurdistan(Iran)

    • Related Report
      2017 Annual Research Report
  • [Journal Article] 木片の14C年代測定による前橋泥流堆積時期の再検討(予察)2018

    • Author(s)
      佐藤興平・南 雅代・中村俊夫・柴田 賢・児玉美穂・武者 巌
    • Journal Title

      群馬県立自然史博物館研究報告

      Volume: 22 Pages: 95-101

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] 火山体崩壊に起因する火山災害軽減のためのパイロット研究:木片の14C年代測定と巨石のSr同位体比からみた前橋泥流の時空分布2018

    • Author(s)
      佐藤興平・南 雅代・中村俊夫・武者 巌・柴田 賢
    • Journal Title

      名古屋大学年代測定研究

      Volume: 2 Pages: 35-39

    • Related Report
      2017 Annual Research Report
    • Open Access
  • [Journal Article] 名古屋大学タンデトロンAMS14Cシステムの現状と利用(2017)2018

    • Author(s)
      中村俊夫・南 雅代 他
    • Journal Title

      名古屋大学年代測定研究

      Volume: 2 Pages: 79-87

    • NAID

      120006498152

    • Related Report
      2017 Annual Research Report
    • Open Access
  • [Journal Article] A distinctive chemical composition of the tektites from Thailand and Vietnam, and its geochemical significance.2017

    • Author(s)
      Lee, S-G., Tanaka, T., Asahara, Y., Minami, M.
    • Journal Title

      Jour. Petrol. Soc. Korea

      Volume: 26 Pages: 281-295

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] 炭化物の高確度14C年代測定のための試料調製法の検討2017

    • Author(s)
      南 雅代・冨山慎二・中村俊夫
    • Journal Title

      第19回AMSシンポジウム報告集

      Volume: 19 Pages: 82-85

    • Related Report
      2017 Annual Research Report
  • [Journal Article] Detection of increased heating and estimation of coseismic shear stress from Raman spectra of carbonaceous material in pseudotachylytes2017

    • Author(s)
      Ito, K., K. Ujiie, and H. Kagi
    • Journal Title

      Geophysical Research Letters

      Volume: 44 Issue: 4 Pages: 1749-1757

    • DOI

      10.1002/2016gl072457

    • NAID

      120007134982

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Journal Article] 名古屋大学タンデトロンAMS14Cシステムの現状と利用(2016)2017

    • Author(s)
      中村俊夫・南 雅代・増田公明・小田寛貴・池田晃子・栗田直幸・窪田 薫・西田真砂美・椋本ひかり・藤沢純平・方 雨亭・徳丸 誠・酢屋徳啓・北川浩之
    • Journal Title

      名古屋大学年代測定研究

      Volume: I Pages: 141-148

    • Related Report
      2016 Annual Research Report
  • [Journal Article] Pressure-induced freeze concentratio of alanine aqueous solution as a novel field of chemical reaction2016

    • Author(s)
      Takahashi S., Kagi H., Fujimoto C., Shinozaki A., Gotou H., Nishida T. and Mimura K.
    • Journal Title

      Chemistry Letters

      Volume: 46 Issue: 3 Pages: 334-337

    • DOI

      10.1246/cl.160992

    • NAID

      130005436526

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Journal Article] Changes of chemical structure and composition of charcoal by radiocarbon pre-treatments: Decontamination by ABA and ABOx treatments.2016

    • Author(s)
      Tomiyama, S., Minami, M., Nakamura, T., Mimura, K. and Kagi, H.
    • Journal Title

      Radiocarbon

      Volume: 58 Issue: 3 Pages: 565-581

    • DOI

      10.1017/rdc.2016.29

    • Related Report
      2016 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research / Acknowledgement Compliant
  • [Journal Article] 炭化物の14C-前処理過程の化学的解明-和歌山県根来寺坊院跡から出土した炭化米の分析-2016

    • Author(s)
      冨山慎二・南 雅代・中村俊夫・金原正明
    • Journal Title

      考古学と自然科学

      Volume: 72 Pages: 45-61

    • Related Report
      2016 Annual Research Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] 炭化物の信頼性ある14C年代測定.2016

    • Author(s)
      南 雅代
    • Journal Title

      新学術領域研究ニュースレター

      Volume: 8 Pages: 7-10

    • Related Report
      2016 Annual Research Report
    • Acknowledgement Compliant
  • [Journal Article] Radiocarbon Dating of Charcoal Remains (Operation E)2016

    • Author(s)
      Minami, M.
    • Journal Title

      al-Rafidan

      Volume: XXXVII Pages: 136-140

    • Related Report
      2015 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 14C年代測定による前橋泥流堆積時期の再検討2018

    • Author(s)
      佐藤興平・南 雅代・中村俊夫・柴田 賢・児嶋美穂・武者 巌
    • Organizer
      第30回名古屋大学宇宙地球環境研究所年代測定研究シンポジウム
    • Related Report
      2017 Annual Research Report
  • [Presentation] 名古屋大学タンデトロンAMS14C システムの現状と利用(2017)2018

    • Author(s)
      中村俊夫・南 雅代 他
    • Organizer
      第30回名古屋大学宇宙地球環境研究所年代測定研究シンポジウム
    • Related Report
      2017 Annual Research Report
  • [Presentation] 年代測定研究部におけるAMS測定試料の前処理技術開発ー現況報告と将来展望ー.2017

    • Author(s)
      南 雅代
    • Organizer
      名古屋大学宇宙地球環境研究所年代測定研究シンポジウム
    • Place of Presentation
      名古屋大学
    • Year and Date
      2017-01-30
    • Related Report
      2016 Annual Research Report
  • [Presentation] Assessment of decontamination from charcoal by ABA and ABOx with SC treatments: Redetermination of 14C date of charred wood from the aira caldera,southern Kyushu,Japan2017

    • Author(s)
      Masayo Minami, Toshio Nakamura, Mitsuru Okuno
    • Organizer
      14th International Conference on Accelerator Mass Spectrometry
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Present status and application studies with 14C AMS system at Nagoya University (2015/16/17)2017

    • Author(s)
      Toshio Nakamura, Masayo Minami et al.
    • Organizer
      EA-AMS-7
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] 名古屋大学AMS14C測定の現状と応用研究(2017)2017

    • Author(s)
      中村俊夫・南 雅代 他
    • Organizer
      第30回タンデム加速器及びその周辺技術の研究会
    • Related Report
      2017 Annual Research Report
  • [Presentation] 火口周辺に生育する植物試料の14C年代に対する火山噴気の影響2017

    • Author(s)
      中村俊夫・南 雅代・奥野 充
    • Organizer
      日本第四紀学会2017年大会
    • Related Report
      2017 Annual Research Report
  • [Presentation] 名古屋大学タンデトロンAMSシステムの現状(2017年度)2017

    • Author(s)
      中村俊夫・南 雅代 他
    • Organizer
      第20回AMSシンポジウム
    • Related Report
      2017 Annual Research Report
  • [Presentation] 炭化物の高確度炭素14年代測定のための試料調製法の検討.2016

    • Author(s)
      南 雅代・富山慎二・中村俊夫
    • Organizer
      第19回AMSシンポジウム
    • Place of Presentation
      国立歴史民俗博物館
    • Year and Date
      2016-12-17
    • Related Report
      2016 Annual Research Report
  • [Presentation] Present status of 14C AMS system at Nagoya University (2014/15)2015

    • Author(s)
      Toshio Nakamura, Masayo Minami, Fusa Miayake, Kimiaki Masuda, Hirotaka Oda, Akiko Ikeda, Masataka Hakozaki, Fumiko Watanabe Nara, Tomoko Ohta1and Masami Nishida
    • Organizer
      6th East Asian Conference on AMS
    • Place of Presentation
      Taiwan National University, Taipei, Taiwan
    • Year and Date
      2015-10-05
    • Related Report
      2015 Annual Research Report
    • Int'l Joint Research / Invited
  • [Book] 放射化学の事典 VIII章 宇宙・地球化学 2. 14C年代測定2015

    • Author(s)
      南 雅代
    • Total Pages
      376
    • Publisher
      朝倉書店
    • Related Report
      2015 Annual Research Report

URL: 

Published: 2015-04-16   Modified: 2022-08-30  

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