Abstract
The determination of the hydrogen concentrations in coal and metal samples were investigated by using the PGAA system at the HANARO Research Reactor, KAERI. The calibration curve of the hydrogen concentration was obtained from a standard sample and the effects of the interference peaks near the gamma-energy region of hydrogen were investigated. The background in the hydrogen peak of a prompt gamma-ray spectrum was measured for the sample chamber and shielding materials of an atmospheric state. The combined uncertainties estimated for the analysis procedure were in the range of 4–5%. Two kinds of certified reference materials, NIST SRM 1632c (Coal), NIST SRM 173c (Titaniumbase Alloy) and NIST SRM 2453 (Titanium Alloy) were used to verify the accuracy and precision of the measurement. The relative error was in the range of 3–6% and the relative standard deviation were less than 4%.
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Chung, Y.S., Moon, J.H., Cho, H.J. et al. Determination of the hydrogen concentration in coal and titanium alloy by prompt gamma neutron activation analysis. J Radioanal Nucl Chem 272, 391–395 (2007). https://doi.org/10.1007/s10967-007-0534-1
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DOI: https://doi.org/10.1007/s10967-007-0534-1