Determination of Uranium in High-Grade Uranium Concentrates by an X-ray Emission Spectrographic Method

Authors: Jensen, Chester L.; Baur, Gretta S.

Source: Applied Spectroscopy, Volume 26, Issue 1, Pages 1-113 (January/February 1972) , pp. 57-59(3)

Publisher: Society for Applied Spectroscopy

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Abstract:

A fast, precise, and accurate x-ray emission spectrographic method has been developed for the determination of uranium in high-grade (70% to 99% U₃O₈) uranium concentrates. No chemical separations are required. After acid decomposition, yttrium is added as an internal standard, and the uranium in dilute acid solution is determined by x-ray emission techniques. The standard deviation obtained for the average of the mean by analysis of six portions of the same sample is 0.03% U₃O₈. Such precision is equivalent to that of the more complicated titrimetric methods conventionally used.

Keywords: Analytical method; X-ray fluorescence; Uranium

Document Type: Research article

DOI: http://dx.doi.org/10.1366/000370272774352579

Affiliations: 1: Salt Lake City Metallurgy Research Center, Bureau of Mines, U. S. Department of the Interior, Salt Lake City, Utah 84112

Publication date: 1972-01-01

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