Major and trace elements in the twig axe
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A. Wyttenbach; L. Tobler; S. Bajo
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Article
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1988
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Springer-Verlag
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English
β 768 KB
The concentrations of 23 elements have been determined by instrumental neutron activation analysis in the needles and axes of 1-year-old spruce twigs from 12 different sites. Although the twigs had been washed with toluene and tetrahydrofuran prior to analysis, it was found that the amounts of eight