Abstract
By irradiating with cold neutrons and avoiding hydrogenous materials of construction, we have developed a PGAA instrument at the Cold Neutron Research Facility at NIST with hydrogen detection limits in the microgram range in many materials. Quantities of 5–10 μg H/g are presently measurable in gram-sized samples of silicon or quartz, and of order 0.01 wt % can be quantitatively measured in complex silicate rocks.
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Lindstrom, R.M., Paul, R.L., Vincent, D.H. et al. Measuring hydrogen by cold-neutron prompt-gamma activation analysis. Journal of Radioanalytical and Nuclear Chemistry, Articles 180, 271–275 (1994). https://doi.org/10.1007/BF02035915
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DOI: https://doi.org/10.1007/BF02035915