Synergic Extraction of Lanthanoids by Mixtures of LIX 54 (High Molecular Weight β-Diketone) and Bidentate Neutral Amines | Zendy

Shigeto Nakamura | Zendy; Shuichi Takei | Zendy; Kenichi Akiba | Zendy

Open Access

Synergic Extraction of Lanthanoids by Mixtures of LIX 54 (High Molecular Weight β-Diketone) and Bidentate Neutral Amines

Author(s) -

Shigeto Nakamura,

Shuichi Takei,

Kenichi Akiba

Publication year - 2002

Publication title -

analytical sciences

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.392

H-Index - 73

eISSN - 1348-2246

pISSN - 0910-6340

DOI - 10.2116/analsci.18.319

Subject(s) - chemistry , denticity , lanthanide , adduct , extraction (chemistry) , diketone , toluene , equilibrium constant , medicinal chemistry , phenanthroline , molecule , inorganic chemistry , organic chemistry , crystal structure , ion

The synergic extraction of lanthanoids has been investigated using mixtures of high molecular weight beta-diketone, LIX 54 (HA; major component, 1-phenyl-3-isoheptyl-1,3-propanedion) and bidentate neutral ligands (S) in toluene. The distribution behavior of bidentate amines (2,2'-bipyridine (bpy), 1,10-phenanthroline (phen) and 2,9-dimethyl-1,10-phenanthroline (dmp)) was investigated and their related equilibrium constants were evaluated. The synergic effect is produced by the formation of such adduct complexes as MA3 x S. The extraction constants with LIX 54 alone and those in the presence of bidentate ligands were determined for lanthanoid-series elements.

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