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Cyclotron production of 85Sr by proton irradiation of natRb

  • M. Sadeghi , Z. Alipoor and G. Aslani
Published/Copyright: April 19, 2013
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Kerntechnik
From the journal Kerntechnik Volume 76 Issue 5

Abstract

Excitation functions for protons induced on 85/natRb targets that lead to the production of 85Sr radioisotopes using TALYS 1.0 and ALICE/ASH codes were calculated. Rubidium chloride deposition on copper substrate was carried out via sedimentation method in order to produce Strontium-85. 520 mg RbCl, 208 mg ethyl cellulose (EC) and 4 mL acetone were used to prepare a layer of enriched rubidium chloride of 11.69 cm2 area and 62.2 mg · cm−2 thickness. The deposited target was irradiated at 20 A current and 15 MeV proton beam for 10 h and no degradation was observed. The 85Sr production yield was 1.4 MBq/mA · h. The target material was dissolved by 50 mL acetone. Dissolved Strontium-85 was separated from rubidium by Chelex 100 ion exchanger.

Kurzfassung

Die Anregungsfunktionen für ein mit Protonen bestrahltes 85/natRb Target zur Erzeugung von 85Sr wurden berechnet mit Hilfe der Codes TALYS 1.0 und ALICE/ASH. Die Ablagerung von Rubidiumchlorid auf Kupfersubstrat zur Erzeugung von Strontium-85 wurde mit der Sedimentationsmethode durchgeführt. 520 mg RbCl, 208 mg Äthylzellulose (EC) und 4 mL Azeton wurden für die Aufbereitung einer Schicht angereichertem Rubidiumchlorid von 11,69 cm2 Fläche and 62,2 mg · cm−2 Dicke verwendet. Das Target wurde mit einem 15 MeV Protonenstrahl für 10 h bei 20 A bestrahlt. Es wurde keine Degradation beobachtet. Die 85Sr Ausbeute lag bei 1.4 MBq/mA · h. Das Targetmaterial wurde mit 50 mL Azeton gelöst. Gelöstes Strontium-85 wurde von Rubidium abgetrennt mit Hilfe eines Chelex 100 Ionentauschers.

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Received: 2011-02-14
Published Online: 2013-04-19
Published in Print: 2011-11-01

© 2011, Carl Hanser Verlag, München

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https://doi.org/10.3139/124.110167

Articles in the same Issue

  1. Contents/Inhalt
  2. Contents
  3. Summaries/Kurzfassungen
  4. Summaries
  5. Technical Contributions/Fachbeiträge
  6. Overview of safety improvement during RBMK-1500 reactor core lifetime upgrading
  7. Strategy, main stages and progress of the Ignalina Nuclear Power Plant decommissioning
  8. Environmental safety aspects of the new solid radioactive waste management and storage facility at the Ignalina Nuclear Power Plant
  9. Preliminary evaluation of effect of Engineered Safety Features on source term for AHWR containment
  10. Burn up extension in a PBMR-400 full core using weapon grade plutonium fuel mixed with thorium
  11. A study on the damage of potential first wall materials in a nuclear fusion reactor using plutonium bearing salt
  12. An analytical benchmark of MYRRHA ADS in cylindrical geometry
  13. Dosimetric characteristics of three new design 125I brachytherapy sources
  14. Determination of 89Zr production parameters via different reactions using ALICE and TALYS codes
  15. Novel dose calculation and characterization of 32P intravascular brachytherapy stent source
  16. Cyclotron production of 85Sr by proton irradiation of natRb
  17. Lessons learnt from PSA for new and advanced reactors in Russia
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