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NOE study on ionic salvation for water and benzene in ionic liquids

Research Project

Project/Area Number 20550014
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Physical chemistry
Research InstitutionKyoto University

Principal Investigator

WAKAI Chihiro  Kyoto University, 化学研究所, 助教 (40293948)

Co-Investigator(Kenkyū-buntansha) MATUBAYASI Nobuyuki  京都大学, 化学研究所, 准教授 (20281107)
中原 勝  京都大学, 化学研究所, 教授 (20025480)
Co-Investigator(Renkei-kenkyūsha) NAKAHARA Masaru  京都大学, 化学研究所, 教授 (20025480)
Project Period (FY) 2008 – 2010
Project Status Completed (Fiscal Year 2010)
Budget Amount *help
¥4,940,000 (Direct Cost: ¥3,800,000、Indirect Cost: ¥1,140,000)
Fiscal Year 2010: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2009: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2008: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Keywordsイオン液体 / 溶媒和 / 液体構造 / ベンゼン / NOE / NMR / 水
Research Abstract

We have investigated the ionic salvations to formic acid, water, and benzene molecules in ionic liquids by means of the nuclear magnetic resonance. Formic acid is stabilized by ions and formed from hydrogen and carbon dioxide in ionic liquids. Water molecules are solvated by strong acids existing as impurities and double recrystallization can remove the strong acids. We have shown by means of the nuclear Overhauser effect measurement that such a polar solute as water is interacted with a hydrogen atom at site-2 in the imidazolium ring while such a non-polar solute as benzene is parallel to the imidazolium ring.

Report

(4 results)
  • 2010 Annual Research Report   Final Research Report ( PDF )
  • 2009 Annual Research Report
  • 2008 Annual Research Report
  • Research Products

    (8 results)

All 2010 2009 2008

All Journal Article (6 results) (of which Peer Reviewed: 6 results) Presentation (2 results)

  • [Journal Article]2010

    • Author(s)
      Y.Yasaka, C.Wakai, N.Matubayasi, M.Nakahara
    • Journal Title

      The Journal of Physical Chemistry A Vol.114

      Pages: 3510-3515

    • Related Report
      2010 Final Research Report
    • Peer Reviewed
  • [Journal Article] Controlling the Equilibrium of Formic Acid with Hydrogen and Carbon Dioxide Using Ionic Liquid2010

    • Author(s)
      Y.Yasaka, C.Wakai, N.Matubayasi, M.Nakahara
    • Journal Title

      The Journal of Physical Chemistry A 114

      Pages: 3510-3515

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Journal Article]2009

    • Author(s)
      Y.Yasaka, C.Wakai, N.Matubayasi, M.Nakahara
    • Journal Title

      Analytical Chemistry Vol.81

      Pages: 400-407

    • Related Report
      2010 Final Research Report
    • Peer Reviewed
  • [Journal Article]2008

    • Author(s)
      C.Giordani, C.Wakai, K.Yoshida, E.Okamura, N.Matubayasi, M.Nakahara
    • Journal Title

      The Journal of Physical Chemistry B Vol.112

      Pages: 2622-2628

    • Related Report
      2010 Final Research Report
    • Peer Reviewed
  • [Journal Article] Water as an in Situ NMR Indicator for Impurity Acids in Ionic liquids2008

    • Author(s)
      Y. Yasaka, C. Wakai, N. Matubayasi, M. Nakahara
    • Journal Title

      Analytical Chemistry 81

      Pages: 400-407

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Cholesterol Location and Orientation in Aqueous Suspension of Large Unilamellar Vesicles of Phosholipid revealed by Intermolecular Nuclear Overhauser Effect2008

    • Author(s)
      C. Giordani, C. Wakai, K. Yoshida, E. Okamura, N. Matubayasi, M. Nakahara
    • Journal Title

      The Journal of Physical Chemistry B 112

      Pages: 2622-2628

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Presentation]2008

    • Author(s)
      Y.Yasaka
    • Organizer
      15th International Conference on the Properties of Water and Steam
    • Place of Presentation
      Berlin、Germany
    • Year and Date
      2008-09-10
    • Related Report
      2010 Final Research Report
  • [Presentation] Kinetics and Equilibrium of the Reversible Formic Acid Decomposition in Hot Water2008

    • Author(s)
      Y. Yasaka
    • Organizer
      15th International Conference on the Properties of Water and Steam
    • Place of Presentation
      Berlin, Germany
    • Year and Date
      2008-09-10
    • Related Report
      2008 Annual Research Report

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Published: 2008-04-01   Modified: 2016-04-21  

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