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  • 1 National Institute for Physics and Nuclear Engineering Bucharest Romania
  • 2 Faculty of Physics Bucharest Romania
  • 3 Ovidius University Physics Department Constanta Romania
  • 4 National Institute for Physics and Nuclear Engineering Bucharest Romania
  • 5 History Museum of Transylvania Cluj-Napoca Romania
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Abstract  

Ancient copper objects from Romanian territories have been analyzed by neutron activation analysis. A series of elements is determined: Au, Ag, As, Co, Cr, Fe, Hg, Ni, Zn, Sb, Sc, Se, Sn. Using mathematical dendograms some classifications and correlation have been established.