Abstract
Dunavant and Christian1 have described a large-volume 4 π liquid scintillation detector, and Harris, Kessler and Christian2 have described its use to determine total potassium in solids and liquids by measuring the gamma activity of the natural radioactive isotope potassium-40. The instrument is similar to the Armac liquid scintillation counter produced by the Packard Instrument Company.
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References
Dunavant, B. G., and Christian, J. E., Int. J. App. Rad. Isot., 8, 222 (1960).
Harris, W. G., Kessler, W. V., Christian, J. E., and Schall, E. D., Agric. Food Chem., 12, 144 (1964).
Jackson, M. L., Soil Chemical Analyses (Constable and Co., London 1958).
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REDIES, M., VIMPANY, I. Determination of Total Potassium in Soils using the Gamma Emission of Potassium-40. Nature 210, 1078–1079 (1966). https://doi.org/10.1038/2101078a0
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DOI: https://doi.org/10.1038/2101078a0
