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Some problems of parametric neutron activation analysis based on the use of radioactive daughters of longer-lived mothers with low mother/daughter half-life ratios

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Abstract

The theoretical and practical aspects of the use of radioactive daughters originated from the decay of longer-lived radioactive mothers in parametric activation analysis, when the ratio: mother half-life to daughter half-life is less than 10, are discussed. The mother-daughter relationships: 47Ca/47Sc; 95Zr/95Nb; 140Ba/140La; 99Mo/99mTc and 115Cd/115mIn are selected as models for the study. The cases when the radionuclide of interest is formed through both direct and indirect routes are also analyzed. As illustrative example, the direct reaction and the reaction chain: 47Ti(n,p)47Sc/46Ca(n,γ)47Ca(β−)47Sc are evaluated with respect to the determination of the elements involved and their reciprocal interferences.

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Acknowledgments

The authors wish to thank M. C. Alí Santoro and P. A. López their valuable cooperation in the preparation of the manuscript of this study.

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Authors and Affiliations

  1. Universidad Tecnológica Nacional, Facultad Regional Avellaneda, Secretaría de Ciencia, Tecnología y Posgrado. Av. Mitre 750, 1870, Avellaneda, República Argentina

    I. M. Cohen

  2. Departamento de Ingeniería Química, Universidad Tecnológica Nacional, Facultad Regional Buenos Aires, Av. Medrano 951, C1179AAQ, Buenos Aires, República Argentina

    I. M. Cohen & M. C. Fornaciari Iljadica

  3. Comisión Nacional de Energía Atómica, Gerencia de Área Aplicaciones Tecnológicas de la Energía Nuclear, Centro Atómico Ezeiza, Presbítero Juan Gonzalez y Aragón 15, B1802AYA, Ezeiza, República Argentina

    M. C. Fornaciari Iljadica

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  1. I. M. Cohen
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  2. M. C. Fornaciari Iljadica
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Correspondence to I. M. Cohen.

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Cohen, I.M., Fornaciari Iljadica, M.C. Some problems of parametric neutron activation analysis based on the use of radioactive daughters of longer-lived mothers with low mother/daughter half-life ratios. J Radioanal Nucl Chem 291, 515–520 (2012). https://doi.org/10.1007/s10967-011-1313-6

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  • DOI: https://doi.org/10.1007/s10967-011-1313-6

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