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

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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; Uranium; X-ray fluorescence

Document Type: Research Article

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

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

Publication date: January 1, 1972

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