Recovery of Ra-223 from natural thorium irradiated by protons
Aleksandr N Vasiliev
1, 2
,
Valentina S Ostapenko
1, 2
,
Elena V Lapshina
2
,
Stanislav V. Ermolaev
2
,
Sergey S Danilov
1
,
Boris L Zhuikov
2
,
Stepan N. Kalmykov
1, 2
Тип публикации: Journal Article
Дата публикации: 2016-04-07
scimago Q4
wos Q2
БС2
SJR: 0.268
CiteScore: 3.0
Impact factor: 1.7
ISSN: 00338230, 21933405
Physical and Theoretical Chemistry
Краткое описание
Irradiation of natural thorium with medium-energy protons is considered to be a prospective approach to large-scale production of 225Ac and 223Ra. In addition to the earlier-developed method of 225Ac isolation, the present work focuses on the simultaneous recovery of.223Ra from the same thorium target. Radiochemical procedure is based on liquid-liquid extraction, cation exchange and extraction chromatography. The procedure provides separation of radium from spallation and fission products generated in the thorium target. High chemical yield (85– 90%) and radionuclide purity of 223Ra (> 99.8% except 224Raand 225Ra isotopes) have been achieved.
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Vasiliev A. N. et al. Recovery of Ra-223 from natural thorium irradiated by protons // Radiochimica Acta. 2016. Vol. 104. No. 8. pp. 539-547.
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Vasiliev A. N., Ostapenko V. S., Lapshina E. V., Ermolaev S. V., Danilov S. S., Zhuikov B. L., Kalmykov S. N. Recovery of Ra-223 from natural thorium irradiated by protons // Radiochimica Acta. 2016. Vol. 104. No. 8. pp. 539-547.
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TY - JOUR
DO - 10.1515/ract-2015-2549
UR - https://doi.org/10.1515/ract-2015-2549
TI - Recovery of Ra-223 from natural thorium irradiated by protons
T2 - Radiochimica Acta
AU - Vasiliev, Aleksandr N
AU - Ostapenko, Valentina S
AU - Lapshina, Elena V
AU - Ermolaev, Stanislav V.
AU - Danilov, Sergey S
AU - Zhuikov, Boris L
AU - Kalmykov, Stepan N.
PY - 2016
DA - 2016/04/07
PB - Walter de Gruyter
SP - 539-547
IS - 8
VL - 104
SN - 0033-8230
SN - 2193-3405
ER -
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@article{2016_Vasiliev,
author = {Aleksandr N Vasiliev and Valentina S Ostapenko and Elena V Lapshina and Stanislav V. Ermolaev and Sergey S Danilov and Boris L Zhuikov and Stepan N. Kalmykov},
title = {Recovery of Ra-223 from natural thorium irradiated by protons},
journal = {Radiochimica Acta},
year = {2016},
volume = {104},
publisher = {Walter de Gruyter},
month = {apr},
url = {https://doi.org/10.1515/ract-2015-2549},
number = {8},
pages = {539--547},
doi = {10.1515/ract-2015-2549}
}
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MLA
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Vasiliev, Aleksandr N., et al. “Recovery of Ra-223 from natural thorium irradiated by protons.” Radiochimica Acta, vol. 104, no. 8, Apr. 2016, pp. 539-547. https://doi.org/10.1515/ract-2015-2549.
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