Published TCIMAIL newest issue No.197
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An Effective Extractant for Rare-Earth Elements
TODGA (1) is an effective extractant for rare-earth elements.1) 1 is highly lipophilic and applicable to extraction of metals to the organic layer in the HNO3(aq.)-n-dodecane system.1,2) Due to the high extractability with 1 of hard metal ions such as rare-earth metals, 1 is evaluated as an extractant for the separating of rare-earth elements from high-level nuclear waste solutions at nuclear reactors. 3) On the other hand, MIDOA (2) is superior to extract soft metals, so they are complementarily utilized.4)
References
- 1)MODIFICATION OF TODGA-n-DODECANE SOLVENT WITH A MONOAMIDE FOR HIGH LOADING OF LANTHANIDES(III) AND ACTINIDES(III)
- 2)Cumulative study on solvent extraction of elements by N,N,N',N'-tetraoctyl-3-oxapentanediamide (TODGA) from nitric acid into n-dodecane
- 3)N,N,N',N'-Tetraoctyl Diglycolamide (TODGA): A Promising Extractant for Actinide-Partitioning from High-Level Waste (HLW)
- 4)Extraction Behavior of Metal Ions by TODGA, DOODA, MIDOA, and NTAamide Extractants from HNO3 to n-Dodecane
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