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Isotopic analysis of lithium by prompt alpha measurement during deuteron irradiation

  • Analysis by Charged Particle Nuclear Reactions
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Abstract

Charged particle spectrometry was used to determine the isotopic concentration of lithium in lithium fluoride targets irradiated with a deuteron beam of 4.0 MeV. Alpha particles emitted by the6Li(d, α)4He and7Li(d, α)5He reactions were used as a measure of6Li and7Li, respectively. From the6Li/7Li α-count ratio the isotopic concentration of6Li was determined for isotopic concentrations over the range 7.42 (natural) to about 30 atom%6Li, with a relative standard deviation of±4.1%. Alpha particles from the19F(d, α)17O reaction could also be measured as an internal standard, extending the measurements from natural to 100 atom%6Li and giving a relative standard deviation of ±1.9%. The effect of target thickness on the accuracy of the determinations was investigated.

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Authors and Affiliations

  1. Southern Universities Nuclear Institute, Faure, C.P., South Africa

    R. Pretorius

  2. Department of Chemistry, University of Stellenbosch, Stellenbosh, South Africa

    P. Coetzee

Authors
  1. R. Pretorius
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  2. P. Coetzee
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Pretorius, R., Coetzee, P. Isotopic analysis of lithium by prompt alpha measurement during deuteron irradiation. J. Radioanal. Chem. 12, 301–311 (1972). https://doi.org/10.1007/BF02520997

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  • DOI: https://doi.org/10.1007/BF02520997

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