Bulletin of the Korean Chemical Society

  • 제4권5호
  • /
  • Pages.231-234
  • /
  • 1983
  • /
  • 0253-2964(pISSN)
  • /
  • 1229-5949(eISSN)
대한화학회 (Korean Chemical Society)
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The Stability Constant of 1, 7, 10, 16-Tetraoxa-4, 13-Diazacyclooctadecane-Uranium (Ⅵ) Complex in Aqueous Solution

  • Suh, Moo-Yul (Daeduk Engineering Centre, Korea Advanced Energy Research Institute) ;
  • Eom, Tae-Yoon (Daeduk Engineering Centre, Korea Advanced Energy Research Institute) ;
  • Kim, Si-Joong (Department of Chemistry, Korea University)
  • 발행 : 1983.10.20
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초록

The stability constant for the complex of $UO_2^{2+}$ with a macrocyclic aminoether ligand, 1,7,10,16-tetraoxa-4,13-diazacyclooctadecane, has determined in aqueous solution. The conductivity and pH metric measurements suggest that the ligand forms a stable 1:1 complex with $UO_2^{2+}$ ion, and the complex is an ionic form, $UO_2L^{2+}$, in aqueous solution. The fact that the ligand does not form a complex with lanthanides, such as $Ce^{3+}$, $Sm^{3+}$, and $Nd^{3+}$ ions, in aqueous solution suggests a possibility of separation of the lanthanide elements from uranium matrix using the macrocyclic aminoether ligand.

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피인용 문헌

  1. Binding properties of amide and amide–ester N-functionalised polyaza macrocycles vol.1992, pp.8, 1983, https://doi.org/10.1039/p29920001347