Review Article
Application of Calixarenes as Macrocyclic Ligands for Uranium(VI): A Review
Table 6
Successive extractions of Pu(IV) and U(VI) by 21 (extraction (%) at each step).
| ā | First step pH 2.0 | Second step pH 5.0 | Reference |
| Pu(IV) extraction (%)a | 93 | 8 | [62] | U(VI) extraction (%)a | 0 | 99 | [62] |
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aOrganic solvent: 1,2,3,4-tetrahydronaphthalene.
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