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Title: Direct determination of uranium in concentrates by spectrophotometric titration with ferric sulphate.
Authors: Florence, TM
Issue Date: Dec-1959
Publisher: Australian Nuclear Science and Technology Organisation
Abstract: A direct method is presented for the determination of uranium in uranium concentrates by spectrophotometric titration with ferric sulphate, after a bismuth amalgam reduction. The oxidation of U (IV) by Fe (III) was found to be rapid and complete at room temperature, under suitable conditions. Copper, molybdenum and vanadium interfere to some extent, and their maximum permissible concentrations are discussed. A complete determination may be carried out in little over an hour with a precision of two to three parts per thousand. A "Uvispek" spectrophotometer was adapted for spectrophotometric titrations without modification of the instruments.
Appears in Collections:Scientific and Technical Reports

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