A neutron activation study of trace element contents in plants growing on soils of different acidity
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As part of a research program on the influence of soil acidification on metal uptake in plants, the present work was carried out in order to investigate the feasibility of instrumental neutron activation analysis for this purpose. The work was restricted to elements yielding medium- or long-lived radionuclides on neutron activation. Elements studied include Na, Sc, Cr, Fe, Co, Zn, Br, Rb, Cs, Ba and La. The material analyzed was from a comparison of trace element contents in natural vegetation from corresponding coniferous forest locations in South Norway, which is considerably exposed to acidic deposition from long-range atmospheric transport, and Central Norway, which is far less affected. In particular Rb and Cs show pronounced differences between the two regions regarding concentration levels in certain plant species.
KeywordsAcidity Radionuclide Activation Analysis Neutron Activation Neutron Activation Analysis
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