79 research outputs found

    New 2,2'-bipyridine-chloroacetato complexes of transition metals(II)

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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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    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 CHCl3\text{}_{3} from water or water-methanol phase was examined. It was stated that during the extraction from water phase the chelates LnL3\text{}_{3} (Tb, Tm), seven-coordinated self-adducts LnL3\text{}_{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 LnL3\text{}_{3}·2MeOH were observed
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