URANIUM RECOVERY, URANIUM GEOCHEMISTRY, THERMOLUMINESCENCE AND RELATED STUDIES. Final Report

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The recovery of urantum at the mine with portable equipment was shown to be feasible, using a process which involves grinding the ore, leaching with nitric acid, extracting with tributyl phosphate and kerosene, and precipitation with ammonia gas. The system is more expensive than a stationary plant but couid be used in an emergency or in difficulty accessible locations. The distribution of uranium was studied in various geographical locations and in several different materials including limestones, granites, clays, rivers and underground water, lignites, and volcanic ash and lavas. Geochemical studies, based on thermoluminescence, including stratigraphy, age determinations of limestones, and ... continued below

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Pages: 58

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Daniels, F. November 1, 1957.

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Description

The recovery of urantum at the mine with portable equipment was shown to be feasible, using a process which involves grinding the ore, leaching with nitric acid, extracting with tributyl phosphate and kerosene, and precipitation with ammonia gas. The system is more expensive than a stationary plant but couid be used in an emergency or in difficulty accessible locations. The distribution of uranium was studied in various geographical locations and in several different materials including limestones, granites, clays, rivers and underground water, lignites, and volcanic ash and lavas. Geochemical studies, based on thermoluminescence, including stratigraphy, age determinations of limestones, and aragonite-calcite relations in calcium csrbonate are presented along with thermoluminescence studies of lithium fluoride, alkali halides, aluminum oxides, sulfates, and other inorganic salts and minerals. Radiation damage to lithium fluoride and metamixed minerals was studied, and apparatus was developed for measuring thermoluminescence of crystals exposed to gamma radiation, scintillameters for measuring alpha particle activity in materials containing a trace of uranium, and an analytical method for determining less than 1 part per million uranium. (J.R.D.)

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Pages: 58

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  • Other Information: Orig. Receipt Date: 31-DEC-58

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  • Report No.: AECU-3599
  • Grant Number: AT(11-1)-178
  • DOI: 10.2172/4334152 | External Link
  • Office of Scientific & Technical Information Report Number: 4334152
  • Archival Resource Key: ark:/67531/metadc1018815

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  • November 1, 1957

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  • Oct. 15, 2017, 10:09 p.m.

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  • Jan. 8, 2018, 5:37 p.m.

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Daniels, F. URANIUM RECOVERY, URANIUM GEOCHEMISTRY, THERMOLUMINESCENCE AND RELATED STUDIES. Final Report, report, November 1, 1957; Madison, Wisconsin. (digital.library.unt.edu/ark:/67531/metadc1018815/: accessed September 26, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.