FIELD: chemistry.;SUBSTANCE: method consists in contact of water solution of very soluble lanthanoid salt and organic solution of di-(2-ethylhexyl)phosphoric acid in diluent in form of double-layer system, in inter-phase layer of which lanthanoid salt of di-(2-ethylhexyl)phosphoric acid is synthesised and held, which is characterised by the fact that local vibrating mechanical impact is rendered on inter-phase layer by means of vibro-element, placed on inter-phase surface.;EFFECT: obtaining material of higher density and specified wettability.;2 cl, 15 ex, 4 dwg
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