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Extraction separation of Am(III) and Eu(III) was examined by the thermal-swing extraction technique using a thermosensitive gel, poly-N-isopropylacrylamide (NIPA) crosslinked with a TPEN derivative, N,N,N′,N′-tetrakis(4-propenyl-oxy-2-pyridylmethyl)ethylenediamine (TPPEN). The separation of Am(III) from Eu(III) was observed in the swelling state of gel (5°C) and the separation factor of Am(III) was...
Solvent extraction separation of divalent metal ions, Cd(II) and Zn(II), with an organophosphorus extractant, D2EHPA (di(2-ethylhexyl)phosphoric acid), and an aqueous hexadentate ligand with nitrogen donors, TPEN (N,N,N',N'-tetrakis(2-pyridylmethyl)ethylenediamine), was studied. The extraction process consists of two steps, namely, the complex formation between TPEN and the divalent metals in the...
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