Abstract
By measuring the yield of prompt gamma-rays, induced by energetic protons, the ratio of the ranges in sample and standard was used in the average cross-section method to determine fluorine. By spiking the sample with known amounts of a lithium compound, a nonanalyte element (absent from the sample), the appropriate ranges in the samples were determined by measuring the prompt gamma-rays induced in the non-analyte spike. Fluorine was determined in ores and ivory and the method was tested by analyzing the standard reference materials SRM 91, SRM 120c and SRM 694.
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Olivier, C., Morland, H.J. The elimination of matrix effects in the determination of fluorine by proton induced prompt gamma-spectrometry. Journal of Radioanalytical and Nuclear Chemistry, Articles 151, 63–73 (1991). https://doi.org/10.1007/BF02040131
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DOI: https://doi.org/10.1007/BF02040131