Niobium is determined as the peroxy complex in concentrated sulfuric acid by photometric measurement at 360 m mu . Uranium interference is cancelled by using a solution of the sample for reference in the photometric measurement. The method covers the determination of niobium in uranium --niobium alloys made from pure melting stock. Molybdenum interferes and must be removed if present. Zirconium does not interfere. The calibration curve covers a concentration range from 0.2 to 5.0 mg. (auth)
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Westinghouse Electric Corp. Bettis Plant, Pittsburgh
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Pittsburgh, Pennsylvania
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Niobium is determined as the peroxy complex in concentrated sulfuric acid by photometric measurement at 360 m mu . Uranium interference is cancelled by using a solution of the sample for reference in the photometric measurement. The method covers the determination of niobium in uranium --niobium alloys made from pure melting stock. Molybdenum interferes and must be removed if present. Zirconium does not interfere. The calibration curve covers a concentration range from 0.2 to 5.0 mg. (auth)
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Bryson, T. C.; Goward, G. W. & Hartmann, M. D.THE DETERMINATION OF NIOBIUM IN URANIUM-NIOBIUM ALLOYS,
report,
April 24, 1956;
Pittsburgh, Pennsylvania.
(https://digital.library.unt.edu/ark:/67531/metadc1020941/:
accessed June 2, 2024),
University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu;
crediting UNT Libraries Government Documents Department.