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Using211At as internal alpha radiolysis source allowing for simple detection of radiolysis products

Authors
Journal
Radiation Physics and Chemistry
0969-806X
Publisher
Elsevier
Publication Date
Volume
79
Issue
4
Identifiers
DOI: 10.1016/j.radphyschem.2009.10.003
Keywords
  • Alpha Irradiation
  • Astatine
  • Radiolysis
  • Radiolysis Products
  • Solvent Extraction
  • Btbp

Abstract

Abstract The determination of radiolysis products is an important field both for the basic understanding of the radiolysis process and for process development. The latter case mainly dealing with processes for handling radioactive wastes. There are several kinds of radiolysis processes that originate from the different kinds of radiation. Gamma rays and high-energy beta has a high ability to penetrate barriers while alpha irradiation in principle has to be performed with the radiation emitting nuclide inside the actual sample. This can be a problem since most laboratories able to identify radiolysis products cannot handle alpha contaminated samples. In this paper we suggest the use of 211At as internal alpha emitting radionuclide. Due to its short half-life and decay to more or less stable daughters the radiolysis products may be examined using normal equipment without causing contamination.

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