Abstract
Multielement analysis was carried out in two samples of natural rubies obtained from Kenya and Tanzania and a synthetic ruby obtained locally. The trace element profile was used to characterise the ruby samples. Instrumental Neutron Activation Analysis (INAA) by the single comparator (K 0 method) was used to determine the concentrations of 22 elements with gold as the comparator. High resolution γ-ray spectrometry was employed for radiometric assay of the activation products. The accuracy and precision were evaluated by analysing standard reference materials such as USGS-W-1 and AGV-1 and were found to be satisfactory.
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Acharya, R.N., Burte, P.P., Nair, A.G.C. et al. Multielement analysis of natural ruby samples by neutron activation using the single comparator method. J Radioanal Nucl Chem 220, 223–227 (1997). https://doi.org/10.1007/BF02034860
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DOI: https://doi.org/10.1007/BF02034860