2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/81417Ancient 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.Latex manuscript, 14 pages, 5 eps figuresNuclear Experimenttext