THE DETERMINATION OF NIOBIUM IN URANIUM NIOBIUM ALLOYS

descriptionPublicationkeyboard_double_arrow_right Report , Other literature type 28 Feb 1958 United States Publisher:Office of Scientific and Technical Information (OSTI)

Authors: Goward, G. W.; Reinhold, T. M.; Wiederkehr, V. R.;

doi: 10.2172/4200650

THE DETERMINATION OF NIOBIUM IN URANIUM NIOBIUM ALLOYS

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Abstract

The niobium-uranium alloy is dissolved in hydrofluoric nitric acids and the fluoride removed by fuming sulfuric acid. The niobium is hydrolyzed in an acid-sulfur dioxide medium and converted to niobic oxide by ignition at 900 deg C. The method covers the determination of niobium in niobium-uranium alloys having a niobium content of 8 to 12%. Metals which hydrolyze readily in dilute acid solutions interfere with the determination. (auth)

Country

United States

Related Organizations

University of North Texas System
United States

Keywords

Organic Sulfur Compounds, Niobium, Sulfur Oxides, Combustion, Nitric Acid, Niobium Alloys, Hydrofluoric Acid, Tungsten, Absorption, Fluorides, Complexes, Control, Niobium Oxides, Uranium Alloys, Molybdenum, Hydrolysis, Acidity, Quantitative Analysis, Water, Solvent Extraction, Solutions, Measured Values, Chemistry, Sulfuric Acid, Metals, Zirconium

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