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Title: Production and separation of carrier-free 7Be

Journal Article · · Applied Radiation and Isotopes
 [1];  [1];  [2];  [2];  [1];  [3];  [1];  [1]
  1. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States). Nuclear and Chemical Sciences Division
  2. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States). Center for Accelerator Mass Spectrometry
  3. Univ. of California, Berkeley, CA (United States). Department o fNuclear Engineering
+ Show Author Affiliations

A high-purity carrier-free 7Be was efficiently isolated following proton bombardment of a lithium hydroxide - aluminum target. The separation of beryllium from lithium and aluminum was achieved through a hydrochloric acid elution system utilizing cation exchange chromatography. The beryllium recovery, +99%, was assessed through gamma spectroscopy while the chemical purity was established by mass spectrometry. In conclusion, the decontamination factors of beryllium from lithium and aluminum were determined to be 6900 and 300, respectively.

Research Organization:
Lawrence Livermore National Laboratory (LLNL), Livermore, CA
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA), Office of Defense Nuclear Security (NA-70)
Grant/Contract Number:
AC52-07NA27344; NA0000979
OSTI ID:
1242002
Report Number(s):
LLNL-JRNL--673455
Journal Information:
Applied Radiation and Isotopes, Journal Name: Applied Radiation and Isotopes Journal Issue: C Vol. 107; ISSN 0969-8043
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English

References (11)

Production rates of 7Be and 10Be in the atmosphere journal October 2000
Preparation of carrier-free by ion-exchange following charged particle and photonuclear reactions journal October 2003
Beryllium-7 and solar activity journal December 2004
Production and behavior of beryllium 7 radionuclide in the upper atmosphere journal January 2005
JANIS 4: An Improved Version of the NEA Java-based Nuclear Data Information System journal June 2014
SRIM – The stopping and range of ions in matter (2010)
  • Ziegler, James F.; Ziegler, M. D.; Biersack, J. P.
  • Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, Vol. 268, Issue 11-12 https://doi.org/10.1016/j.nimb.2010.02.091
journal June 2010
An Ion Exchange Selectivity Scale of Cations Based on Equilibrium Distribution Coefficients journal August 1960
Production and Isolation of Carrier-Free Radioisotopes. journal October 1951
Radiochemical determination of Inertial Confinement Fusion capsule compression at the National Ignition Facility journal June 2014
Astrophysical reaction rates for B 10 ( p ,α ) 7 Be and B 11 ( p ,α ) 8 Be from a direct model journal May 1996
Astrophysical S factor of 3 He ( α , γ ) 7 Be journal June 2013

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Related Subjects

07 ISOTOPE AND RADIATION SOURCES
38 RADIATION CHEMISTRY, RADIOCHEMISTRY, AND NUCLEAR CHEMISTRY
CAMS
carrier-free
ion-exchange
nuclear forensics
⁷Be