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Instrumental neutron activation analysis of spruce needles and trees

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Abstract

Tree rings and needles of young spruce clones from the immission area of the Al-refinery Ranshofen (Upper Austria), which had ceased production in 1992, were investigated by INAA. Short time irradiation was performed for determining, Al, Mn, Ca and Cl, while the elements Na, K, Rb, Ba, Zn, Fe, Sc, Cr, Co, Br and in some samples also Ca were determined via middle- and long-lived radioisotopes. Irradiation and counting conditions are given. Accuracy and sensitivity are sufficient to describe the trends of the element concentrations in needles and with the exception of Cr, Sc and Br, in tree rings. Ca-concentrations derived from49Ca (short-time irradiation) and47Ca (long-time irradiation) are compared and show good agreement Additionally Mg was determined in some samples by ICP-AES and if possble, by INAA. The results are compared.

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Authors and Affiliations

  1. Institut für Anorganische Chemie der Universität Wien, Währingerstrasse 42, A-1090, Vienna, Austria

    G. Wallner & Ch. Katzlberger

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  1. G. Wallner
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  2. Ch. Katzlberger
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Wallner, G., Katzlberger, C. Instrumental neutron activation analysis of spruce needles and trees. J Radioanal Nucl Chem 223, 139–144 (1997). https://doi.org/10.1007/BF02223374

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  • DOI: https://doi.org/10.1007/BF02223374

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