Title:
アメリシウムの抽出方法
Document Type and Number:
Japanese Patent JP7333057
Kind Code:
B2
Abstract:
To provide an efficient extraction method of americium usable in a mining field and atomic energy field.SOLUTION: An acidic aqueous solution containing americium is brought into contact with an organic solvent in the presence of iminodiacetic acid amide represented by general formula (A) below to dissolve the americium in the organic solvent and further brought into contact with an acidic aqueous solution containing a nitrogen donor based water-soluble complexing agent such as diethylenetriamine pentaacetic acid (DTPA) for back extraction to efficiently extract the americium. (in the formula (A), R and R' each indicate independently a hydrocarbon group of 1-20 carbons or a hydrogen atom)SELECTED DRAWING: Figure 1
Inventors:
Hideya Suzuki
Tatsuro Matsumura
Tatsuro Matsumura
Application Number:
JP2019151070A
Publication Date:
August 24, 2023
Filing Date:
August 21, 2019
Export Citation:
Assignee:
Japan Atomic Energy Agency
International Classes:
C22B60/02; B01D11/04; C22B3/26; G21F9/06
Domestic Patent References:
| JP2016113674A | ||||
| JP53024997A | ||||
| JP3677013B2 |
Attorney, Agent or Firm:
Patent Attorney Corporation Shuwa Patent Office