Extraction of microamounts of yttrium from water into nitrobenzene using hydrogen dicarbollylcobaltate in the presence of 15-crown-5 |
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Authors: | P Vaňura E Makrlík |
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Institution: | (1) Prague Institute of Chemical Technology, Technická 5, 166 28 Prague 6,Czech Republic;(2) Faculty of Applied Sciences, University of West Bohemia, Husova 11, 306 14 Pilsen, Czech Republic |
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Abstract: | Summary Extraction of microamounts of yttrium by a nitrobenzene solution of hydrogen dicarbollylcobaltate (H+B-) in the presence of 15-crown-5 (15C5,L) has been investigated. The equilibrium data have been explained assuming that the
complexes HL+, HL2,+, YL3+, YL2,3+and YH-1L2,2+are extracted into the organic phase. The values of extraction and stability constants of the species in nitrobenzene saturated
with water have been determined. |
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