Determination of Trivalent Uranium with Methylene Blue

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A direct titrimetric method for the determination of trivalent uranium in uranium trifluoride and mixtures of fused fluoride salts was developed. The method is based on the stoichiometric oxidation of trivalent uranium to the tetravalent oxidation state with an acidic solution of methylene blue. The sample containing trivalent uranium is dissolved at room temperature in an excess of standard methylene blue solution in a carbon dioxide atmosphere; the excess oxidant is variation of the method is 1.5 per cent for 5 mg quantities of trivalent uranium. The method was applied to various mixtures of fluoride salts containing both trivalent and … continued below

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Ross, W. J.; Meyer, A. S.; White, J. C.; Kelley, N. T. & Susano, C. D. November 22, 1955.

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A direct titrimetric method for the determination of trivalent uranium in uranium trifluoride and mixtures of fused fluoride salts was developed. The method is based on the stoichiometric oxidation of trivalent uranium to the tetravalent oxidation state with an acidic solution of methylene blue. The sample containing trivalent uranium is dissolved at room temperature in an excess of standard methylene blue solution in a carbon dioxide atmosphere; the excess oxidant is variation of the method is 1.5 per cent for 5 mg quantities of trivalent uranium. The method was applied to various mixtures of fluoride salts containing both trivalent and tetravalent uranium.

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  • November 22, 1955

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  • Feb. 6, 2022, 9:35 a.m.

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  • June 2, 2022, 3:04 a.m.

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Ross, W. J.; Meyer, A. S.; White, J. C.; Kelley, N. T. & Susano, C. D. Determination of Trivalent Uranium with Methylene Blue, report, November 22, 1955; Washington D.C.. (https://digital.library.unt.edu/ark:/67531/metadc1957014/: accessed February 9, 2025), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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