Selective Extraction of Lithium with a Macrocyclic Trinuclear Complex of (1,3,5-Trimethylbenzene)ruthenium(II) Bridged by 2,3-Dioxopyridine

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Author(s)

Abstract

A macrocyclic trinuclear complex of (1,3,5-trimethylbenzene)ruthenium(II) bridged by 2,3-dioxopyridine was synthesized, and the extraction properties for lithium and sodium picrates were investigated in a dichloromethane/water system at 25°C. The complex was found to have extremely high extractability and selectivity for lithium picrate; the logarithmic values of the extraction constants are 5.86 and 2.63 for Li<sup>+</sup> and Na<sup>+</sup>, respectively. By using this complex as an extractant, nearly quantitative extraction and separation of Li<sup>+</sup> from Na<sup>+</sup> could be achieved by a single extraction.

Journal

  • Analytical Sciences

    Analytical Sciences 24(10), 1215-1217, 2008-10-10

    The Japan Society for Analytical Chemistry

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Codes

  • NII Article ID (NAID)
    10025206602
  • NII NACSIS-CAT ID (NCID)
    AA10500785
  • Text Lang
    ENG
  • Article Type
    SHO
  • ISSN
    09106340
  • NDL Article ID
    9667155
  • NDL Source Classification
    ZP4(科学技術--化学・化学工業--分析化学)
  • NDL Call No.
    Z54-F482
  • Data Source
    CJP  NDL  J-STAGE 
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