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Instrumental neutron activation analysis employing a high—resolution lithium— drifted germanium ?-ray detector has been used to identify some of the trace elements in two different brands of Iranian wine, “Velvet” and "100". This was carried out by irradiating the wine samples in the Tehran University Research Reactor at a flux of
2×1013 for periods which ranged from 15 minutes to 4 hours. The irradiated samples were then analyzed at suitable periods with a 40 cm3 Ge(Li) and an 800—channel analyzer. A total of 10 elements have been identified employing this technique. These include Na, K, Sc, Cr, Mn, Fe, Co, Br, Rb, and Zn.