Defining Processing Times for Accelerator Produced 225Ac and Other Isotopes from Proton Irradiated Thorium
Abstract
During the purification of radioisotopes, decay periods or time dependent purification steps may be required to achieve a certain level of radiopurity in the final product. Actinum-225 (Ac-225), Silver-111 (Ag-111), Astatine-211 (At-211), Ruthenium-105 (Ru-105), and Rhodium-105 (Rh-105) are produced in a high energy proton irradiated thorium target. Experimentally measured cross sections, along with MCNP6-generated cross sections, were used to determine the quantities of Ac-225, Ag-111, At-211, Ru-105, Rh-105, and other co-produced radioactive impurities produced in a proton irradiated thorium target at Brookhaven Linac Isotope Producer (BLIP). Ac-225 and Ag-111 can be produced with high radiopurity by the proton irradiation of a thorium target at BLIP.
- Authors:
-
[2];
- Brookhaven National Lab. (BNL), Upton, NY (United States). Isotope Production Lab. Collider-Accelerator Division
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Isotope and Fuel Cycle Technology Division
- Publication Date:
- Research Org.:
- Brookhaven National Laboratory (BNL), Upton, NY (United States); Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Nuclear Physics (NP)
- OSTI Identifier:
- 1503515
- Alternate Identifier(s):
- OSTI ID: 1593253; OSTI ID: 1761762
- Report Number(s):
- BNL-211456-2019-JAAM; BNL-213553-2020-JAAM
Journal ID: ISSN 1420-3049
- Grant/Contract Number:
- SC0012704; AC05-00OR22725
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Molecules
- Additional Journal Information:
- Journal Volume: 24; Journal Issue: 6; Journal ID: ISSN 1420-3049
- Publisher:
- MDPI
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 07 ISOTOPE AND RADIATION SOURCES; isotope production; Actinium-225; Silver-111; MCNPX; Thorium; proton irradiation; fission products; Sr-82; critical process parameter; 43 PARTICLE ACCELERATORS
Citation Formats
Fitzsimmons, Jonathan, Griswold, Justin, Medvedev, Dmitri, Cutler, Cathy, and Mausner, Leonard. Defining Processing Times for Accelerator Produced 225Ac and Other Isotopes from Proton Irradiated Thorium. United States: N. p., 2019.
Web. doi:10.3390/molecules24061095.
Fitzsimmons, Jonathan, Griswold, Justin, Medvedev, Dmitri, Cutler, Cathy, & Mausner, Leonard. Defining Processing Times for Accelerator Produced 225Ac and Other Isotopes from Proton Irradiated Thorium. United States. https://doi.org/10.3390/molecules24061095
Fitzsimmons, Jonathan, Griswold, Justin, Medvedev, Dmitri, Cutler, Cathy, and Mausner, Leonard. Wed .
"Defining Processing Times for Accelerator Produced 225Ac and Other Isotopes from Proton Irradiated Thorium". United States. https://doi.org/10.3390/molecules24061095. https://www.osti.gov/servlets/purl/1503515.
@article{osti_1503515,
title = {Defining Processing Times for Accelerator Produced 225Ac and Other Isotopes from Proton Irradiated Thorium},
author = {Fitzsimmons, Jonathan and Griswold, Justin and Medvedev, Dmitri and Cutler, Cathy and Mausner, Leonard},
abstractNote = {During the purification of radioisotopes, decay periods or time dependent purification steps may be required to achieve a certain level of radiopurity in the final product. Actinum-225 (Ac-225), Silver-111 (Ag-111), Astatine-211 (At-211), Ruthenium-105 (Ru-105), and Rhodium-105 (Rh-105) are produced in a high energy proton irradiated thorium target. Experimentally measured cross sections, along with MCNP6-generated cross sections, were used to determine the quantities of Ac-225, Ag-111, At-211, Ru-105, Rh-105, and other co-produced radioactive impurities produced in a proton irradiated thorium target at Brookhaven Linac Isotope Producer (BLIP). Ac-225 and Ag-111 can be produced with high radiopurity by the proton irradiation of a thorium target at BLIP.},
doi = {10.3390/molecules24061095},
journal = {Molecules},
number = 6,
volume = 24,
place = {United States},
year = {Wed Mar 20 00:00:00 EDT 2019},
month = {Wed Mar 20 00:00:00 EDT 2019}
}
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Works referencing / citing this record:
Optimization of Cation Exchange for the Separation of Actinium-225 from Radioactive Thorium, Radium-223 and Other Metals
journal, May 2019
- Fitzsimmons, Jonathan; Foley, Bryan; Torre, Bryna
- Molecules, Vol. 24, Issue 10
The application of poorly crystalline silicotitanate in production of 225Ac
journal, August 2019
- Fitzsimmons, Jonathan; Abraham, Alyson; Catalano, Demetra
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