Abstract
The technique of prompt neutron capture gamma-ray spectroscopy has been used to determine sulphur concentrations in extraterrestrial materials. In particular an effort was made to resolve reported discrepancies in the sulphur assays for the lunar rock sample 70215. While the validity of chemical analysis techniques are often influenced by the chemical form of the sulphur, particularly when in low concentration, the method used here is independent of such effects. The lunar and a bulk Allende meteorite sample were analyzed for sulphur, iron and silicon. The latter material, being well documented, was analyzed in order to verify the techniques of measurement and the subsequent methods of data reduction. Based upon our measurements and the acceptance of the silicon and iron content of the lunar sample the sulphur content was found to be 1741±112 ppm by weight.
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Islam, M.A., Kennett, T.J., Prestwich, W.V. et al. Determination of the sulphur content of a lunar sample by neutron capture gamma-ray spectrometry. J. Radioanal. Chem. 56, 123–130 (1980). https://doi.org/10.1007/BF02516944
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DOI: https://doi.org/10.1007/BF02516944