Nuclear and Related Techniques

Journal of Radioanalytical and Nuclear Chemistry

, Volume 180, Issue 2, pp 271-275

First online:

Measuring hydrogen by cold-neutron prompt-gamma activation analysis

  • R. M. LindstromAffiliated withInorganic Analytical Research Division, National Institute of Standards and Technology
  • , R. L. PaulAffiliated withInorganic Analytical Research Division, National Institute of Standards and Technology
  • , D. H. VincentAffiliated withDepartment of Nuclear Engineering, The University of Michigan
  • , R. R. GreenbergAffiliated withInorganic Analytical Research Division, National Institute of Standards and Technology

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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.