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The Identification and Determination of Trace Amounts of Rare Earth Elements in Graphite by Neutron Activation

Description: Abstract: "A method is described for the identification and quantitative determination of trace amounts of rare earths in graphite by measurement of the energies and decays of the activities induced by neutron irradiation. The specific rare earth elements identified are europium and samarium. During the development of this method, the half-lives of Eu-152 and Sm-153 were determined. These are reported as 9.32 +/- 0.04 hours and 46.34 +/- 0.23 respectively."
Date: September 1, 1949
Creator: Ross, A. M.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Life of Van Stone Corrective Measures

Description: This report is a document summarizing all information available on life aspects of various measures proposed to reduce or eliminate corrosion of Van Stone flanger.
Date: September 12, 1949
Creator: Botsford, C. W. & Eschbach, E. A.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Stepwise Calculation for the Determination of the Number of Transfer Units in Countercurrent Extraction Columns

Description: Report discussing a method for the stepwise calculation of the number of transfer units utilized in a given solvent extraction operation. "Use of the method results in a very appreciable saving in time of calculation with an error of 1.5% for the runs tested. The error tends to become smaller with increasing total numbers of transfer units involved."
Date: September 12, 1949
Creator: Burns, W. A. & Eschbach, E. A.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Boron stainless steel for drop rods

Description: From introduction: "The present investigation of the properties of boron stainless steel is an outgrowth of a project started in 1947. The problem is to replace the present steel used for drop rods in the Hanford piles with a material much less subject to corrosive attack from the humid atmosphere existing at the location of the rods."
Date: September 7, 1948
Creator: Callen, A. C. & Heckman, A. L.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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The Solubility of Uranyl Oxalate and the Existence of Undissociated Uranyl Oxalate in Solution

Description: Abstract: "The solubility of the solid, UO2C2O4 x rH2O, was measured at various acid and uranyl nitrate concentrations. The results of the measurements prove the existence of the uranyl oxalate complex - UO2C2O4, in solutions containing excess UO2^2."
Date: September 8, 1945
Creator: Pimentel, George C. & Stevenson, F. R.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Corrosivity of Uranyl Fluoride to Certain Metals

Description: Abstract: "The results obtained from the tests conducted for the purpose of determining the corrosivity of a 30 percent-solution of uranyl fluoride to various metals indicate that stainless steels (type 302, 304, 321 and 316) have very good resistance; while monel, nickel and aluminum, respectively, exhibit diminishing resistance. Stainless steel, type 316, was the most resistant of the specimen tested."
Date: September 19, 1946
Creator: Little, L. F. & Susano, C. D.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Recovery From Salvage Residue by Fluorination in Vertical Reactors

Description: Report discussing trial runs of a method of recovery of uranium from salvage residue. The method involves hydrofluorination of the residue to remove large quantities of interfering silicates, followed by a fluorination treatment to remove uranium.
Date: September 6, 1946
Creator: Stevenson, K., Jr.; Blasewitz, A. G. & Clewett, G. H.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Investigation of Cementitious Materials for Possible Use in Concretes for Pile Shielding

Description: From introduction: "The present report reviews the work conducted on the development of new cements other than magnesium oxychloride during the period from August, 1943, to October 1949. As in the previous reports, the total water contents reported represent the hydrogen combined as water and that which may be combined as a compound other than water."
Date: September 1949
Creator: Synder, M. J.; Burkart, C. A. & Clegg, John W.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Half-Life of Polonium

Description: Abstract: "The half-life of polonium has been measured by a calorimetric method using samples several thousand times larger than have been previously available. The value is found to be 138.3 +/- 0.1% days."
Date: September 9, 1946
Creator: Beamer, William H. & Easton, William E.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Some Special Refractory Materials

Description: Report explaining some different categories of special refractory materials. These categories of materials and their properties are discussed as well as the specific materials that fall into these categories.
Date: September 28, 1948
Creator: Norton, F. H.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Corrosion investigation

Description: Report describing the results of corrosion tests on 68 types of materials. Generally, most materials were tested with an agitator and vapor and some were tested a 3rd way with alternate immersion.
Date: September 28, 1948
Creator: Long, Edward
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Preparation of Ductile Zirconium: Summary of Thermodynamic Data

Description: Abstract: A summary of thermodynamic calculations for zirconium halides is given. Data indicates that the iodide is the most promising of the halides for arc dissociation and that good recoveries of zirconium should be obtainable provided dissociation is carried out at reduced pressure.
Date: September 16, 1949
Creator: Findlay, G. R.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Optical Properties of Three Uranium Phosphates

Description: Abstract: "Crystal system, crystal habit, and principal refractive indices, of uranyl hydrogen phosphate tetrahydrate, uranyl ammonium phosphate trihydrate, and uranyl phosphate tetrahydrate are reported. A procedure for differentation of these three compounds using this data was developed."
Date: September 30, 1949
Creator: Harris, W. W. & Scott, Roberta H.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Progress Report on Carnotite Studies; Carbonate Processes : August 1949

Description: This is a progress report compiled by the chemical development department of the Carbide and Carbon Chemicals Corporation's Y-12 plant, discussing work on the carbonate (Monticello) process, as well as the recovery of uranium and vanadium from carbonate liquors.
Date: September 8, 1949
Creator: Brown, K. B.; Coleman, C. F. & Grimes, W. R.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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The Production of Beryllium by the Metallothermic Reduction of Beryllium Fluoride

Description: Report discussing "the production of beryllium by the metallothermic reduction of its fluoride...Charges of BaF2 and Mg reacted smoothly when heated by induction in graphite crucibles and on continued heating the metal and slag separated fairly well. It was found that an addition of CaCl2 to the top of the charge facilitated the separation a great deal. Very clean, massive metal has been produced by this procedure."
Date: September 30, 1945
Creator: Spedding, F. H.; Wilhelm, H. A.; Keller, W. H. & Noher, Charles
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Recalculation of Critical Masses of U and Pu Water Tamped Solutions

Description: A report discussing a method of computing the critical mass of U₂₃₅ contained in a water solution confined to a spherical core and surrounded by an infinite water tamper, a modification of said method in which the effect of the resonance fission and absorption is taken into account, and physical constants required to calculate the critical mass using these methods.
Date: September 1, 1949
Creator: Greuling, Eugene
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Direct Conversion of the TF₆ to TCl₄

Description: The following report provides a general summary of some methods that could be used to convert hexafluoride into tetrafluoride, but is mainly devoted to the work done on the conversion of tetrafluoride to tetrachloride.
Date: September 25, 1945
Creator: Calkins, Vincent P.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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