Title:
Ra-226 RECOVERY METHOD, Ra-226 SOLUTION PRODUCTION METHOD, AND Ac-225 SOLUTION PRODUCTION METHOD
Document Type and Number:
WIPO Patent Application WO/2022/149535
Kind Code:
A1
Abstract:
An embodiment of the present invention relates to a 226Ra recovery method, the 226Ra recovery method including a step (A1) in which a 226Ra-containing substance that is in a solid state and a carrier that has the function of adsorping 226Ra ions are immersed in a treatment solution, after which the treatment solution is irradiated with ultrasonic waves.
Inventors:
HONDA YOSHIO (JP)
ITO TAKU (JP)
ICHINOSE JUN (JP)
NAGATSU KOTARO (JP)
SUZUKI HISASHI (JP)
ITO TAKU (JP)
ICHINOSE JUN (JP)
NAGATSU KOTARO (JP)
SUZUKI HISASHI (JP)
Application Number:
PCT/JP2021/048690
Publication Date:
July 14, 2022
Filing Date:
December 27, 2021
Export Citation:
Assignee:
NIHON MEDIPHYSICS CO LTD (JP)
NATIONAL INSTITUTES FOR QUANTUM SCIENCE AND TECH (JP)
NATIONAL INSTITUTES FOR QUANTUM SCIENCE AND TECH (JP)
International Classes:
C22B7/00; C22B3/06; C22B3/42; C22B7/04; C22B60/00
Domestic Patent References:
| WO2021002275A1 | 2021-01-07 |
Foreign References:
| JP2000119765A | 2000-04-25 | |||
| CN108396146A | 2018-08-14 |
Other References:
JAN KOZEMPEL ET AL.: "Dissolution of [226Ra] BaSC as part of a method for recovery of Ra from aged Radium sources.", J. RADIOANAL. NUCL. CHEM., vol. 304, 2015, pages 337 - 342
Attorney, Agent or Firm:
SSINPAT PATENT FIRM (JP)
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