Effect of modifiers of hydrogen-bond donors on the distribution of metal chelates between supercritical carbon dioxide and water

• Project/Area Number: 19750058
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Single-year Grants
• Research Field: Analytical chemistry
• Research Institution: Ibaraki University
• Principal Investigator: OHASHI Akira Ibaraki University, 理学部, 准教授 (50344833)
• Project Period (FY): 2007 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥3,530,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥330,000); Fiscal Year 2008: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000); Fiscal Year 2007: ¥2,100,000 (Direct Cost: ¥2,100,000)
• Keywords: 超臨界二酸化炭素 / 金属キレート / 水素結合 / 分配 / 抽出 / 協同効果 / 超臨界二酸化炭素抽出

Research Abstract

SC-CO_2相と水相の吸収スペクトルを同時に測定できる装置を作成し、Co(acac)_3のSC-CO2/水間の分配に及ぼす水素結合供与性修飾剤3,5-ビストリフルオロメチルフェノール(BTMP)の効果について検討した。Co(acac)_3錯体とBTMPの水素結合による会合体生成によりCo(acac)_3錯体の分配比は大きく増加した。本研究の成果は、SC-CO_2抽出における抽出率向上への利用が期待できる。

Research Products

• [Journal Article] Solvent Effect on the Distribution Equilibrium of 8-Quinolinol Derivatives between Supercritical Carbon Dioxide and Water (2009)
  • Author(s): A. Ohashi, K. Yamato, H. Imura, K. Ohashi
  • Journal Title: J. Supercrit. Fluids 49(3) Pages: 315-322
  • Peer Reviewed
• [Journal Article] Solvent Effect on the Distribution Equilibrium of 8-Quinolinol Derivatives between Supercritical Carbon Dioxide and Water (2009)
  • Author(s): A. Ohashi, K. Yamato, H. Imura. K. Ohashi
  • Journal Title: J. Supercrit. Fluids (In press)
  • Peer Reviewed
• [Journal Article] Solid-Phase Extraction of Gallium(III) with Hydrophobic 8-Quinolinol Derivatives-Impregnated Resin from Aqueous Acidic and Alkaline Solutions (2008)
  • Author(s): N. Hatori, H. Imura, A. Ohashi, K. Ohashi
  • Journal Title: Anal. Sci 24(12) Pages: 1637-1641
  • Peer Reviewed
• [Journal Article] Extraction Equilibrium of Lanthanoids(III) with 2-Thenoyltrifluoroacetone in the Water-1-Propanol-Chloroform Ternary Solvent System (2008)
  • Author(s): A. Ohashi, T. Hashimoto, H. Imura, T. Hori, K. Ohashi
  • Journal Title: Proceedings of The 18th International Solvent Extraction Conference (ISEC2008) Pages: 811-816
  • Peer Reviewed
• [Journal Article] Supercritical Carbon Dioxide Extraction of Metal Ions from Aqueous Solutions: A Review of Recent Studies (2008)
  • Author(s): A. Ohashi, K. Ohashi
  • Journal Title: Solv. Extr. Res. Devel., Jpn. 15 Pages: 11-20
  • Peer Reviewed
• [Journal Article] Hydration Effect on the Liquid-Liquid Distribution of Tris(8-quinolinolato)-Aluminium(III), -Gallium(III) and -Indium(III) (2008)
  • Author(s): H. Imura, T. Ozawa, A. Ohashi, K. Ohashi
  • Journal Title: Solv. Extr. Res. Devel., Jpn. 15 Pages: 71-79
  • Peer Reviewed
• [Journal Article] Supercritical Carbon Dioxide Extraction of Metal lons from Aqueous Solutions : A Review of Recent Studies (2008)
  • Author(s): A. Ohashi, K. Ohashi
  • Journal Title: Solvent Extr. Res. Devel. Jpn. 15 Pages: 11-20
  • Peer Reviewed
• [Journal Article] Hydration Effect on the Liquid-Liquid Distribution of Tris(8-quinolinolato)-Aluminium(111), -Gallium(III) and -Indium(III) (2008)
  • Author(s): H. Imura, T. Ozawa, A. Ohashi, K. Ohashi
  • Journal Title: Solvent Extr. Res. Devel. Jpn. 15 Pages: 71-79
  • Peer Reviewed
• [Journal Article] Solid-phase Extraction of Gallium(III) with Hydrophobic 8-Quinolinol Derivatives-Impregnated Resin from Aaueous Acidic and Alkaline Solutions (2008)
  • Author(s): N. Hatori, H. Imura, A. Ohashi, K. Ohashi
  • Journal Title: Anal. Sci. 24 Pages: 1637-1641
  • Peer Reviewed
• [Journal Article] Hydration Effect on the Liquid-Liquid Distribution of Tris(8-quinolinolato)-Alumjnjum(III), -Gallium(III) and-Indium(III) (2008)
  • Author(s): Hisanori Imura, Tomoyasu Ozawa, Akira Ohashj, Kousaburo Ohashi
  • Journal Title: Solvent Extr. Res. Devel. Jpn. 15(In press)
  • Peer Reviewed
• [Journal Article] Supercritical Carbon Dioxide Extraction of Metal lons from Aqueous Solutions: A Review of Recent Studies (2008)
  • Author(s): Akira Ohashi, Kousaburo Ohashi
  • Journal Title: Solvent Extr. Res. Devel. Jpn. 15(In press)
  • Peer Reviewed
• [Journal Article] Cloud Point Extraction Equilibrium of Lanthanum(III), Europium(III) and Lutetium(III) Using Di(2-ethylhexyl)phosphoric Acid and Triton X-100 (2007)
  • Author(s): A. Ohashi, T. Hashimoto, H. Imura, K. Ohashi
  • Journal Title: Talanta 73(5) Pages: 893-898
  • Peer Reviewed
• [Journal Article] Cloud Point Extraction Equilibrium of Lanthanum(III), Europium(III) and Lutetium(III) Using Di(2-ethylhexyl)phoshoric Acid and Triton X-100 (2007)
  • Author(s): A. Ohashi. T. Hashimoto, H. Imura, K. Ohashi
  • Journal Title: Talanta 73 Pages: 893-898
  • Peer Reviewed
• [Presentation] 超臨界二酸化炭素/水間におけるトリス(アセチルアセトナト)コバルト(III)錯体の分配平衡 (2009)
  • Author(s): 白鳥, 大橋, 金, 大橋
  • Organizer: 第70回分析化学討論会
  • Place of Presentation: 和歌山大学(和歌山)
  • Year and Date: 2009-05-17
• [Presentation] 三成分溶媒系におけるテノイルトリフルオロアセトンによるランタン(III)の抽出 -抽出挙動に及ぼす親水性有機溶媒の影響- (2008)
  • Author(s): 矢口, 大橋, 金, 大橋
  • Organizer: 第27回溶媒抽出討論会
  • Place of Presentation: 上智大学四ツ谷キャンパス(東京)
  • Year and Date: 2008-10-11
• [Presentation] 三成分溶媒系におけるテノイルトリフルオロアセトンによるランタン(III)の抽出-抽出挙動に及ぼす親水性有機溶媒の影響- (2008)
  • Author(s): 矢口, 大橋, 金, 大橋
  • Organizer: 第27回溶媒抽出討論会
  • Place of Presentation: 上智大学(東京)
  • Year and Date: 2008-10-11
• [Presentation] Extraction Equilibrium of Lanthanoids(III) with 2-Thenoyltrifluoroacetone in the Water-1-Propanol-Chloroform Ternary Solvent System (2008)
  • Author(s): A. Ohashi, T. Hashimoto, H. Imura, T. Hori, K. Ohashi
  • Organizer: The 18th International Solvent Extraction Conference (ISEC2008)
  • Place of Presentation: The Hotel Arizona(Tucson)
  • Year and Date: 2008-09-18
• [Presentation] Extraction Equilibrium of Lanthanoids(III) with 2-Thenoyltrifluoroacetone in the Water-l-Propanol-Chloroform Ternary Solvent System (2008)
  • Author(s): A. Ohashi, T. Hashimoto, H. Imura, T. Hori, K. Ohashi
  • Organizer: The 18th International Solvent Extraction Conference (ISEC2008)
  • Place of Presentation: The Hotel Arizona(Tucson)
  • Year and Date: 2008-09-16
• [Presentation] ブロモ基と長鎖アルキルオキシメチル基を有する8-キノリノール誘導体担持樹脂によるモリブデン(VI)の固相抽出 (2008)
  • Author(s): 大橋, 藤峯, 金, 井村, 大橋
  • Organizer: 第69回分析化学討論会
  • Place of Presentation: 名古屋国際会議場(名古屋市)
  • Year and Date: 2008-05-16
• [Presentation] プロモ基と長鎖アルキルオキシメチル基を有表する8-キノリノール誘導体担持樹脂によるモリブデン(VI)の固相抽出 (2008)
  • Author(s): 大橋, 藤峯, 金, 井村, 大橋
  • Organizer: 第69回分析化学討論会
  • Place of Presentation: 名古屋国際会議場(名古屋市)
  • Year and Date: 2008-05-16
• [Presentation] 8-キノリノール誘導体担持樹脂によるモリブデン(VI)の固相抽出のための基礎検討 (2007)
  • Author(s): 大橋, 藤峯, 羽鳥, 井村, 金, 大橋
  • Organizer: 第26回溶媒抽出討論会
  • Place of Presentation: 北九州国際会議場(北九州市)
  • Year and Date: 2007-11-09
• [Presentation] ジオクチルジチオカルバミン酸による銅(II)の抽出挙動と長鎖アルキル基の効果 (2007)
  • Author(s): 萩原, 井村, 平山, 大橋, 大橋
  • Organizer: 第26回溶媒抽出討論会
  • Place of Presentation: 北九州国際会議場(北九州市)
  • Year and Date: 2007-11-08
• [Presentation] 臭素化した長鎖アルキル基を有する8-キノリノール誘導体によるモリブデン(VI)の抽出挙動 (2007)
  • Author(s): 藤峯, 大橋, 井村, 大橋
  • Organizer: 日本分析化学会第56年会
  • Place of Presentation: 徳島大学(徳島市)
  • Year and Date: 2007-09-20
• [Presentation] 臭素化した長鎖アルキル基を有する8キノリノール誘導体によるモリブデン(VI)の抽出挙動 (2007)
  • Author(s): 藤峯江里・大橋朗・井村久則・大橋弘三郎
  • Organizer: 日本文析化学会第56年会
  • Place of Presentation: 徳島大学
  • Year and Date: 2007-09-20
• [Presentation] ランタニド(III)-含フッ素β-ジケトンキレートと含酸素有機化合物の相互作用 (2007)
  • Author(s): 佐々木, 井村, 大橋, 大橋
  • Organizer: 日本分析化学会第56年会
  • Place of Presentation: 徳島大学(徳島市)
  • Year and Date: 2007-09-19
• [Remarks]
  • URL: http://info.ibaraki.ac.jp/scripts/websearch/index.htm