Abstract
Black spruce /Picea mariana/ twigs and needles have been collected from a uraniferous area of northern Saskatchewan and characterized for their content of some radionuclides and trace elements in an interlaboratory program. These materials, rich in uranium, are available as reference materials, for estimating accuracy in the analysis of vegetation, from the Canadian Certified Reference Materials Project in Ottawa, Canada.
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Dalton, J.L., Dunn, C.E. Radionuclide-rich spruce twigs and needles as analytical reference materials. Journal of Radioanalytical and Nuclear Chemistry Letters 108, 305–316 (1987). https://doi.org/10.1007/BF02165189
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DOI: https://doi.org/10.1007/BF02165189