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Isotopic Examination of Tantalum

Description: Introduction: "The ionization region in the Nier mass spectrometer is customarily constructed of copper. Various other metals were tried for this purpose; among them tantalum and molybdenum, with both metals it was found that a spectrum of the fluoride of the metal appeared when uranium hexafluoride was admitted. It was thus possible to produce tantalum fluoride with comparative ease and to make a critical examination of the mass spectrum to set an upper limit of abundance of tantalum isotopes.… more
Date: January 18, 1946
Creator: Cameron, Alan E. & White, J. R.
Partner: UNT Libraries Government Documents Department
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A Method for the Determination of Boron in TF₆

Description: The following report discusses a method to analyze boron in TF6, including an evaporation method for developing the boron-curcumin color and distillation of boron in TF6 samples.
Date: March 18, 1946
Creator: Staple, E.; Marshall, E. D.; Nelson, F. & Simon, W.
Partner: UNT Libraries Government Documents Department
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The Reduction of Uranium Trioxide by Ethyl Alcohol

Description: Abstract: The effect of temperature upon the rate of reduction of uranium trioxide by ethyl alcohol has been investigated, and a comparison of the reactivity of the dioxide produced at various temperatures has been made. The percent of carbon in the end product has been studied with respect to both temperature of reduction and length of exposure to alcohol. Optimum conditions for the reduction have been suggested.
Date: November 18, 1946
Creator: Haines, B. M. & Calkins, V. P.
Partner: UNT Libraries Government Documents Department
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Agitation tests

Description: This report, from the Hanford Plant, May 22, 1956, describes the need, design, and testing plans for an agitator to aid in dissolution.
Date: August 18, 1946
Creator: Work, J.B.
Partner: UNT Libraries Government Documents Department
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Effects of Wing Flaps and Wing Duct Inlet on the Lift and Stalling Characteristics of a 1/4-Scale Partial-Span Model of the Republic XF-12 Airplane in the Langley 19-Foot Pressure Tunnel

Description: From Summary: "An investigation was conducted in the Langley 19-foot pressure tunnel to determine the lift, drag, pitching-moment and stalling characteristics of a 1/4 -scale partial-span model of the left wing of the Republic XF-12 airplane. The effects of a duct inlet, located between the nacelles at the leading edge of the wing, on those characteristics were also investigated. The Reynolds numbers for the investigation covered a range from 4,500,000 to 8,600,000. The results of the investiga… more
Date: November 18, 1946
Creator: Graham, Robert R.; Martina, Albert P. & Salmi, Reino J.
Partner: UNT Libraries Government Documents Department
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