The Determination of Trace Elements in Uranium Oxide (U308) by Inductively Coupled Plasma Emission Spectrometry and Graphite Furnace Atomic Absorption Spectrometry
Journal Article
·
· Journal of Research of the National Bureau of Standards
- New Brunswick Laboratory (NBL), Argonne, IL (United States); OSTI
The observations and data presented here are drawn from a larger project which has as its objective the certification of a set of reference materials, known as CRM 123 (1-7), for the 18 trace elements contained in each of the seven levels which make up the set. Level 7 is high purity U308. Portions from the bulk of this same material were used as the base material for all the other concentration levels, which were made by adding known concentrations of impurity elements. CRM 123 (1-7) is a replacement for a previous reference material of the same type called CRM 98 (1-7). When that reference material was certified the workhorse methods were flame atomic absorption and spectrophotometric methods. Both graphite furnace atomic absorption (GFAA) and inductively coupled plasma emission spectrometry (ICP) had become established methods of analysis since then. The characterization of CRM 123 (1-7) provided an opportunity to take advantage of the greater sensitivity these newer methods could provide. In general the two techniques are complementary rather than competitive. A look at the characteristics of each method shows why we should have different expectations for each
- Research Organization:
- New Brunswick Laboratory (NBL), Argonne, IL (United States)
- Sponsoring Organization:
- USDOE
- OSTI ID:
- 1903811
- Journal Information:
- Journal of Research of the National Bureau of Standards, Journal Name: Journal of Research of the National Bureau of Standards Journal Issue: 3 Vol. 93; ISSN 0160-1741
- Publisher:
- National Bureau of StandardsCopyright Statement
- Country of Publication:
- United States
- Language:
- English
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