Abstract
Instrumental neutron activation analysis (INAA) was applied to the rapid determination of magnesium in the botanical reference materials Beech Leaves-100 and Spruce Needles-101. The magnesium content was quantitatively determined by measuring the gamma-ray photopeak at 1014 keV of the short-lived radionuclide27Mg (9.46 m). The magnesium concentrations in the two materials were found to be 834.6±50.2 μg·g−1 dry weight and 618.6±36.2 μg·g−1, respectively. When assaying a 0.1 g sample under the same experimental conditions the limit of detection is 30 μg of Mg.
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Work carried out at Risø National Laboratory, Isotopes Division, DK-4000 Roskilde, Denmark.
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Lavi, N., Heydorn, K. Determination of magnesium in botanical reference materials by instrumental neutron activation analysis. Journal of Radioanalytical and Nuclear Chemistry, Articles 148, 257–263 (1991). https://doi.org/10.1007/BF02060359
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DOI: https://doi.org/10.1007/BF02060359