Solvent Extraction Behavior of Copper Ions Using Hydrophobic Silica Gel
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概要
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Solvent extraction of Cu<SUP>2+</SUP> metal ions with thenyltrifluoroacetone in the presence of hydrophobic silica gel system was studied. In this extraction system, the extractability of the Cu<SUP>2+</SUP> metal ions has been improved compared to the normal extraction system. Plots of the values of distribution ratio (log<I>D</I>) in logarithm for the Cu<SUP>2+</SUP> metal ions as a function of aqueous pH were found to be linear relationship with slopes of almost +2. It was found that extracted metal ions can be transported not only into the organic phase but also into the hydrophobic silica gel phase. We clarified the extraction mechanism of solvent extraction system in the presence of the hydrophobic silica gel. This solvent extraction system may provide a new method with enhancement of extractability for the solvent extraction techniques compared to the normal extraction system.
- 日本イオン交換学会の論文
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