Distribution, Rate of Extraction, and Complexing Action of ThenoyItrifluoroacetone in the Synergistic System Kerosine/ThenoyItrifluoroacetone/Tributylphosphate/Dilute HNO3
- 1 April 1972
- journal article
- research article
- Published by Taylor & Francis in Separation Science
- Vol. 7 (2) , 159-186
- https://doi.org/10.1080/00372367208058979
Abstract
A study of the variation of the distribution coefficients of thenoyltrifluoro-tone (HTTA) and Sm with time has been made in the synergistic system kerosine/HTTA/tributylphosphate (TBP)/dilute HNO3. The results indicate that the phenomena of antagonism or antisynergism which takes place at TBP concentrations above 0.1 M is due to the large reduction of the free HTTA-enol in the organic phase and to a much lesser extent to the reduction of the free TBP concentration in the same phase through the formation of HTTA-H2O and HTTA-H2O-TBP, respectively. Equations which allow calculation of the free HTTA-enol and free TBP are developed.Keywords
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