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Study on Species of Heavy Lanthanides(III) Chelates Extracted into Organic Phase with 5,7-Dichloro-8-hydroxyquinoline

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Czakis-Sulikowska D., Malinowska A., Pustelnik N., Kuźnik B.

Acta Physica Polonica A

1996

vol. 90

issue 2

427-430

The nature of species formed in the extraction of lanthanides Ln(III) (where Ln = Tb, Dy, Ho, Er, Tm and Yb) with 5,7-dichloro-8-hydro xyquinoline (HL) in CHCl_{3} from water or water-methanol phase was examined. It was stated that during the extraction from water phase the chelates LnL_{3} (Tb, Tm), seven-coordinated self-adducts LnL_{3} ÷ HL (Er, Ho) or both types of these species (Dy, Yb) were extracted. In the presence of methanol (MeOH) in the aqueous phase the eight-coordinated mixed species of the type LnL_{3}·2MeOH were observed.

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1 Acta Physica Polonica A

1 1996

1 Czakis-Sulikowska D.

1 Kuźnik B.

1 Malinowska A.

1 Pustelnik N.

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Study on Species of Heavy Lanthanides(III) Chelates Extracted into Organic Phase with 5,7-Dichloro-8-hydroxyquinoline