Eleventh international symposium on radi
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Article
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1995
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John Wiley and Sons
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French
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The preparation of l@Re is routinely done by irradiation of natural Re with neutrons in a reactor. Due to the favorable cross section a high yield is obtained: using a neutron flux of a = 1013 mcm-2-s-1 a specific activity Asp = 1 .I GBq/mg was reported [I]. The increase of the neutron flux or appli