Preparation and certification of uranium oxide (U sub 3 O sub 8 ) spectrometric reference materials
Journal Article
·
· Journal of Testing and Evaluation; (United States)
OSTI ID:7310194
- US DOE, New Brunswick Lab., Argonne, IL (US)
This paper describes the preparation, provisional certification, and certification of reference materials for the trace element analysis for uranium oxide (U{sub 3}O{sub 8}). The reference materials were prepared by the addition of solution pools containing the trace elements to a dry base of high-purity uranium oxide (U{sub 3}O{sub 8}) with subsequent mixing, drying, milling, and blending. Provisional certification was accomplished through an interlaboratory program in which four different laboratories analyzed the reference materials by carrier distillation d-c are emission spectroscopy. The full certification of these reference material requires concordant results by two independent methods of analysis. Newer methods of analysis, such as graphite-furnace atomic absorption spectrophotometry and inductively-coupled plasma emission spectrometry, unavailable when the last reference material of this type was certified, have figured prominently in the certification of newer reference materials, a project now nearing completion.
- OSTI ID:
- 7310194
- Journal Information:
- Journal of Testing and Evaluation; (United States), Journal Name: Journal of Testing and Evaluation; (United States) Vol. 19:1; ISSN JTEVA; ISSN 0090-3973
- Country of Publication:
- United States
- Language:
- English
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