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  • 1 Comisión Nacional de Energia Atómica Gerencia de Investigacion y Desarrollo Libertador 8250 (1429) Buenos Aires Argentina
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Gamma-spectrometric determination of the uranium enrichment is reviewed and two main point are analyzed: (a) The correlation between the enrichment factor and the mass of the sample and (b) the intensity of the -ray used in the method, which had to be changed from previous works. Furthermore a X2 minimization has been included into the method, improving its reliability.