| 摘要 |
The present invention provides a method for extraction of metals selected from Cr, Mo, Pd, Tc, W, Re, and Pu using a new extractant of methyliminobisalkylacetamide represented by a formula (I): CH3—N—(CH2CONR2)2  (I) wherein R represents an alkyl group having 8-12 carbon atoms.
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