FIELD: chemistry.
SUBSTANCE: in the process of flotation-extraction of samarium (III) as the organic phase applied is isooctyl alcohol, and as a collector - SAS of an anion type sodium dodecylsulphate in the concentration, corresponding to the reaction stoichiometry: Sm+3+3NaDS=Sm(DS)3+3Na+, where Sm+3 is the samarium (III) cation, DS- is dodecylsulphate-ion. Flotation-extraction is realised at pH=7.5-8.5 and a ratio of organic and water phase being 1/20-1/40.
EFFECT: increased degree of samarium extraction due to the formation of strong complexes of samarium cations with sodium dodecylsulphate, transferred into the organic phase.
1 dwg, 1 ex
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