The determination of boron in sedimentary rocks by neutron irradiation and prompt γ-ray spectrometry |
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Authors: | S. A. Kerr W. V. Prestwich T. J. Kennett D. M. Shaw |
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Affiliation: | (1) Department of Physics, McMaster University, Hamilton, Ontario, Canada |
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Abstract: | Prompt γ-rays following the (nth, α) reaction on10B have been measured to determine the boron content of sedimentary rocks. Employing an external reactor neutron beam with only modest flux, it is possible to assay boron at concentrations typically encountered in this material (>5 μg/g). The technique relies on the use of chemical standards and the values obtained for 9 North American shales are compared with measurements performed by emission spectrography. Detection limits and statistical errors as a function of beam time are also discussed. Department of Geology, Mcmaster University, Hamilton, Ontario (Canada) |
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