Determination of impurities in zircaloy clad by means of neutron activation analysis
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A method is described for determining impurities in Zr-2 and Zr-4 clads by means of instrumental neutron activation analysis followed by high resolution gamma-ray spectrometry. The samples were irradiated in IRT-5000 using vertical channels and a pneumatic system with neutron fluxes of about 3·1013 and 4.8·1011 n·cm−2·s−1, respectively, and counted using Ge(Li) detectors coupled to an on-line computer. The following impurties have been determined Al, Cr, Mn, Fe, Co, Ni, As, Sn, Sb, Hf and W.
KeywordsPhysical Chemistry Inorganic Chemistry High Resolution Activation Analysis Neutron Activation
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