Title:
三価のキュリウムから三価のアメリシウムを分離する方法
Document Type and Number:
Japanese Patent JP2007503526
Kind Code:
A
Abstract:
A method is disclosed for separating trivalent americium from trivalent curium, coming from an aqueous solution containing at least these cations, wherein, at an acid concentration of 0.01 mol/l-0.3 mogl/l, the aqueous solution is brought into contact with an organic solvent containing a bis(aryl)dithiophosphinic acid having the formula (4) where R1=phenyl or naphthyl R2=phenyl or naphthyl, and radicals of R1 and R2 substituted by at least one methyl, ethyl, propyl, isopropyl-, cyano, nitro, or halo substituent, and containing a synergist having the formula (5) where X and/or Y and/or Z is R or RO, wherein R is branched or unbranched alkyl.
Inventors:
Modro Gizeppe
Odoi Reinhardt
Odoi Reinhardt
Application Number:
JP2006524215A
Publication Date:
February 22, 2007
Filing Date:
August 14, 2004
Export Citation:
Assignee:
Forschungszentrum Jürich Gesellschaft Mitt Beschlenktel Haftung
International Classes:
C22B60/02; C22B3/26; C22B3/38; G21C19/46
Domestic Patent References:
| JPS5819453A | 1983-02-04 | |||
| JPS5554536A | 1980-04-21 | |||
| JP2001516809A | 2001-10-02 | |||
| JPS5819453A | 1983-02-04 | |||
| JPS5554536A | 1980-04-21 | |||
| JP2001516809A | 2001-10-02 |
Other References:
JPN5006012188, ＭＯＤＯＬＯ Ｇ, ＩＣＥＭ ２００１, 2001, Ｖ１, Ｐ４２７−４３１
Attorney, Agent or Firm:
Mitsufumi Esaki
Okumura Yoshimichi
Blacksmith
Okumura Yoshimichi
Blacksmith