Metal extraction from a deep eutectic solvent, an insight into activities?
Physical Chemistry Chemical Physics Pub Date: 2020-04-28 DOI: 10.1039/C9CP05982B
Abstract
The solvent extraction of gold, palladium, technetium, indium and rhenium from both mixtures of a deep eutectic solvent with aqueous salt solutions and of two different aqueous salt solutions has been performed. Initially using gold and then the other metals the solvent extraction results were interpreted using an activity coefficient/function equation (specific ion interaction theory). The most important presented result is the addition of a new term to the specific ion interaction theory equation. Using the new model it will be possible to make predictions of the behaviour of a solvent extraction system where one of the liquid phases is a mixture of aqueous salts and the deep eutectic solvent.
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Journal Name：Physical Chemistry Chemical Physics
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CAS no.: 89640-58-4
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