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  • 1 University of Poona Department of Chemistry 411 007 Pune India
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The instrumental neutron activation analysis /INAA/ of tungsten in various steel samples has been done with a 2 Ci252Cf fission neutron source having an integrated neutron flux of 1010 ns–1 and measuring the -activity of187W on a 4 K multi-channel analyzer /MCA/ coupled to a high purity germanium /HPGe/ detector. The tungsten content of various steel samples was between 0.017 and 0.024%.