DILUENT EFFECTS IN SOLVENT EXTRACTION
- 1 January 1989
- journal article
- research article
- Published by Taylor & Francis in Solvent Extraction and Ion Exchange
- Vol. 7 (4) , 567-575
- https://doi.org/10.1080/07360298908962325
Abstract
The empirical diluent parameters DP, introduced by Shmidt et al. several years ago, describe the extraction of mineral acids or metal complexes by the expression log Kex = log Kex ° + const. DP. They have now been related to independently obtainable properties of the diluents. The best correlation is with Dimroth and Reichardt's polarity index ET, with Hildebrand's solubility parameter δ as an additional parameter causing some improvement. The new expression is: log Kex = log Kex ° + const1. ET + const2. δ.Keywords
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