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Determination of fluorine in organic compounds by epithermal neutron activation analysis

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Abstract

Classical activation analysis of fluorine by thermal neutrons has a limited application because of frequent interference from chlorine, the short half life20F (11.4 s) and too high dead time of detectors. A procedure is described for fluorine determination using19F (n,p)19O reaction. Use of a boron carbide shield has no effect on the activity of19O (boron ratio −1) but considerably reduces background and interference due to18O (n, γ)19O reaction. The technique has been successfully applied to the determination of fluorine in organic compounds even in the presence of large amounts of chlorine and oxygen.

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Author notes

  1. H. Bem

    Present address: Institute of Applied Radiation Chemistry, Technical University, Lodz, Poland

Authors and Affiliations

  1. Trace Analysis Research Centre, Chemistry Department, Dalhousie University, B3H 4JI, Halifax, Nova Scotia, (Canada)

    H. Bem & D. E. Ryan

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  1. H. Bem
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  2. D. E. Ryan
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Bem, H., Ryan, D.E. Determination of fluorine in organic compounds by epithermal neutron activation analysis. J. Radioanal. Chem. 63, 405–414 (1981). https://doi.org/10.1007/BF02522225

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  • DOI: https://doi.org/10.1007/BF02522225

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