Authors: P. Ila 1 and D. Murty 2
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  • 1 Massachusetts Institute of Technology Neutron Activation Analysis Laboratory, Earth Atmospheric and Planetary Sciences 02139 Cambridge Massachusetts (USA)
  • 2 St, Mary's University Department of Physics B3H 3C3 Halifax (N. S.) (Canada)
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Samples are irradiated cyclically with a 14 MeV neutron generator and counted only once at the end with NaI(Tl) and Ge(Li) detectors. Results are reported from experimental work done on fourteen standard rocks and three ores. The usefulness of the built-up activity due to cyclic irradition together with flux corrections is demonstrated by simultaneous estimation of other major elements.