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Mechanistic Analysis of Chelate Extraction Using a Single Water Microdroplet/oil System by Microchemical Analysis Technique

Research Project

Project/Area Number 26410144
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Analytical chemistry
Research InstitutionUniversity of Tsukuba

Principal Investigator

NAKATANI Kiyoharu  筑波大学, 数理物質系, 教授 (00250415)

Project Period (FY) 2014-04-01 – 2017-03-31
Project Status Completed (Fiscal Year 2016)
Budget Amount *help
¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000)
Fiscal Year 2016: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2015: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2014: ¥3,120,000 (Direct Cost: ¥2,400,000、Indirect Cost: ¥720,000)
Keywordsキレート抽出 / 微小液滴 / 顕微分光 / 微小電極
Outline of Final Research Achievements

Using a cadmium-deposited microelectrode with a recess (diameter of 20 μm, depth of 10 μm), an electrochemically generated cadmium(II) ion in a water microdroplet injected into the recess by microcapillary manipulation-injection technique was reacted with a 5-octyloxymethyl-8-quinolinol (HC8Q) in 1,6-dichlorohexane. The fluorescence intensity of Cd(C8Q)2 in the vicinity of the water-microdroplet/oil interface was analyzed by a confocal fluorescence microscope. Based on the kinetic analysis of the time dependence of the fluorescence intensity, the rate-determining step of the extraction rate was shown to be Cd(C8Q)+ desorption at the water-microdroplet/oil interface.

Report

(4 results)
  • 2016 Annual Research Report   Final Research Report ( PDF )
  • 2015 Research-status Report
  • 2014 Research-status Report
  • Research Products

    (7 results)

All 2017 2016 2015 Other

All Journal Article (1 results) (of which Peer Reviewed: 1 results,  Open Access: 1 results,  Acknowledgement Compliant: 1 results) Presentation (5 results) (of which Int'l Joint Research: 1 results,  Invited: 1 results) Remarks (1 results)

  • [Journal Article] Kinetic Analysis of Solvent Extraction of Cadmium(II) Complexes Using a Cadmium-deposited Recessed Microelectrode and Confocal Fluorescence Microscope2017

    • Author(s)
      Kiyoharu Nakatani, Naoki Sawada, Tatsumi Sato
    • Journal Title

      Analytical Sciences

      Volume: 33

    • NAID

      130006071193

    • Related Report
      2016 Annual Research Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Presentation] 液滴を用いる電気化学2017

    • Author(s)
      中谷清治
    • Organizer
      日本分析化学会第77回分析化学討論会
    • Place of Presentation
      龍谷大学(京都府京都市)
    • Year and Date
      2017-05-27
    • Related Report
      2016 Annual Research Report
    • Invited
  • [Presentation] 微小電極‐共焦点顕微蛍光法による微小水滴/油系でのカドミウム5‐オクチルオキシメチル‐8‐キノリノール錯体抽出機構の解明2016

    • Author(s)
      澤田直輝,佐藤辰巳,中谷清治
    • Organizer
      日本分析化学会第65年会
    • Place of Presentation
      北海道大学(北海道札幌市)
    • Year and Date
      2016-09-16
    • Related Report
      2016 Annual Research Report
  • [Presentation] Kinetic analysis of chelate extraction at water microdroplet/oil interface by microelectrochemistry and confocal fluorescence microspectroscopy2015

    • Author(s)
      Naoki Sawada, Tatsumi Sato, Kiyoharu Nakatani
    • Organizer
      2015 International Chemical Congress of Pacific Basin Societies
    • Place of Presentation
      Hawaii, USA
    • Year and Date
      2015-12-16
    • Related Report
      2015 Research-status Report
    • Int'l Joint Research
  • [Presentation] 微小電極-共焦点顕微蛍光法による微小水滴/油系キレート抽出速度解析法の開発2015

    • Author(s)
      澤田直輝,佐藤辰巳,中谷清治
    • Organizer
      日本分析化学会第75回分析化学討論会
    • Place of Presentation
      山梨大学(山梨県甲府市)
    • Year and Date
      2015-05-24
    • Related Report
      2015 Research-status Report
  • [Presentation] 微小電極-共焦点顕微蛍光法による微小水滴/油系キレート抽出速度解析法の開発2015

    • Author(s)
      澤田 直輝,佐藤 辰巳,中谷 清治
    • Organizer
      日本分析化学会第75回分析化学討論会
    • Place of Presentation
      山梨大学(山梨県甲府市)
    • Year and Date
      2015-05-24
    • Related Report
      2014 Research-status Report
  • [Remarks] 筑波大学化学域中谷研究室

    • URL

      http://www.chem.tsukuba.ac.jp/nakatani/

    • Related Report
      2016 Annual Research Report 2015 Research-status Report 2014 Research-status Report

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Published: 2014-04-04   Modified: 2018-03-22  

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