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Measurement of103mRh produced by the103Rh/γ, γ′ /103mRh reaction with liquid scintillation counting

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Abstract

A liquid scintillation counting technique was applied to measure the isotope103mRh /half life = 56.12 min/ which is difficult to detect because its γ-ray is of low energy and low emission probability. Tris-/2,4-pentanedionato/ rhodium /III/ /Rh/ acac/3/ was irradiated with bremsstrahlung of accelerated 3.2 MeV electrons by LINAC. The method has given a reliable calibration curve for the determination of103mRh radioactivity below Rh/acac/3 concentrations of 2 mM. The integrated cross section of103Rh/γ,γ′/103mRh determined by this method was found to be 6.8±3.4 μb MeV at 3.2 MeV.

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Authors and Affiliations

  1. Department of Chemistry, Faculty of Science, Tohoku University, 980, Sendai, Japan

    T. Sekine & K. Yoshihara

  2. Institute of Isotopes of the Hungarian Academy of Sciences, Budapest, Hungary

    I. Pavlicsek, L. Lakosi & Á. Veres

Authors
  1. T. Sekine
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  2. K. Yoshihara
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  3. I. Pavlicsek
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  4. L. Lakosi
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  5. Á. Veres
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Sekine, T., Yoshihara, K., Pavlicsek, I. et al. Measurement of103mRh produced by the103Rh/γ, γ′ /103mRh reaction with liquid scintillation counting. Journal of Radioanalytical and Nuclear Chemistry Letters 137, 57–65 (1989). https://doi.org/10.1007/BF02164559

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  • DOI: https://doi.org/10.1007/BF02164559

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