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Instrumental method for the determination of trace elements in water samples by neutron activation analysis

  • Physical Methods Section
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Abstract

Thermal neutron activation analysis and a large-volume high-resolution Ge(Li) gammaray spectrometer, connected on-line to a DEC PDP 8/L computer, have been used to measure the concentrations of Na, Sc, Cr, Fe, Co, Ni, Zn, As, Se, Br, Rb, Ag, Sb, Cs, W and Hg in some Italian subsurface water samples. The instrumental method requires neither a chemical separation technique nor a pre- or post-concentration of the trace elements to be detected. As a consequence, this method eliminates many inherent errors associated with chemical determinations. The technique is sensitive, precise and particularly suitable for routine analysis of many trace elements at both natural and pollution levels in water samples. The interferences due to fast neutron (n, p) and (n, α) reactions are not appreciable, with the only exception of the54Fe(n, p)54Mn and58Ni(n, p)58Co reactions. Losses of volatile, elements, e. g. As, Br and Hg, during irradiation proved to be negligible.

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Authors and Affiliations

  1. Laboratorio per lo Studio della Radioattività Ambientale CNEN-CSN Casaccia, S. Maria di Galeria, Rome, Italy

    G. F. Clemente & G. G. Mastinu

Authors
  1. G. F. Clemente
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  2. G. G. Mastinu
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Clemente, G.F., Mastinu, G.G. Instrumental method for the determination of trace elements in water samples by neutron activation analysis. J. Radioanal. Chem. 20, 707–714 (1974). https://doi.org/10.1007/BF02514314

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  • DOI: https://doi.org/10.1007/BF02514314

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