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Preparation of 225Ac by 226Ra(γ, n) photonuclear reaction on an electron accelerator, MT-25 microtron

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Abstract

225Ac was prepared by the 226Ra(γ, n) reaction on an electron accelerator (MT-25 microtron) at FLNR. The radiation yield of 225Ac was 550 Bq/(μA h mg 226Ra). 225Ac was isolated from the target material and radioactive impurities by the ion-exchange procedure. The 225Ac:227Ac:226Ra activity ratio in the preparation was 1:∼2 × 10−9:≤6 × 10−5.

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Authors and Affiliations

  1. Flerov Laboratory of Nuclear Reactions, Joint Institute for Nuclear Research, Dubna, Moscow oblast, Russia

    O. D. Maslov, A. V. Sabel’nikov & S. N. Dmitriev

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  1. O. D. Maslov
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  2. A. V. Sabel’nikov
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  3. S. N. Dmitriev
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Original Russian Text © O.D. Maslov, A.V. Sabel’nikov, S.N. Dmitriev, 2006, published in Radiokhimiya, 2006, Vol. 48, No. 2, pp. 176–178.

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Maslov, O.D., Sabel’nikov, A.V. & Dmitriev, S.N. Preparation of 225Ac by 226Ra(γ, n) photonuclear reaction on an electron accelerator, MT-25 microtron. Radiochemistry 48, 195–197 (2006). https://doi.org/10.1134/S1066362206020184

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  • DOI: https://doi.org/10.1134/S1066362206020184

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