A standard inert gas fusion method was optimized for the measurement of hydrogen in U-6wt%Nb. Analytical parameters including blank measurements with and without flux, sample cleaning with and without nitric acid, and sample size ranging from 0.5 to 3 g were investigated. Both an outgassed U-6wt%Nb blank reference and hydrogen-charged samples of 2.8 ppm and 5.1 ppm were measured using the optimized analytical method. Finally, samples from parts were measured and compared to hydrogen-charged references.

Subject
Materials, Fluxes, Hydrogen concentration, Calibration, Hydrogen gas, Instrumentation, Nitric acid, Steel, Ethanol, Alloys, Cleaning, Hydrogen, Samples
Keywords:
hydrogen, uranium, niobium, inert gas fusion
Government work published by the Association for Materials Protection and Performance (AMPP) with permission of the author(s). Positions and opinions advanced in this work are those of the author(s) and not necessarily those of AMPP. Responsibility for the content of the work lies solely with the author(s).
2004
GOV
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