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Surface Motion from an Underground Detonation

Description: Abstract: Surface and near-surface acceleration and strain were measured on a deep underground nuclear burst (Rainier Shot; 900 ft; 1.7 kt) to permit extrapolation of results to nuclear detonations of other yields under different test or employment conditions.
Date: February 28, 1958
Creator: Swift, L. M.; Sachs, D. C.; Brenner, J. L. & Wells, W. M.
Partner: UNT Libraries Government Documents Department

Tables of Neutron Cross Sections

Description: Report presenting data tables which summarize neutron cross sections for elements from hydrogen to bismuth. This data was to be available on September 1, 1947. Purpose and acknowledgements are given as well as criteria for omitting measurements and explanation of the material.
Date: October 28, 1947
Creator: Way, Katharine & Haines, G.
Partner: UNT Libraries Government Documents Department

Homogeneous Reactor Preliminary Process Design Report

Description: "The following report is meant to serve a two fold purpose. First, it is the quarterly report of the homogeneous reactor project for the Technical Division of Oak Ridge National Laboratory. Secondly, it is a description and general feasibility discussion of a 200-1000 K.W. pilot model, homogeneous reactor."
Date: December 28, 1949
Creator: Graham, C. B.; Secoy, C. H.; Spiewak, Irving; Taylor, E. H.; Weinberg, Alvin Martin, 1915-2006; Winters, C. E. et al.
Partner: UNT Libraries Government Documents Department

The Isolation and Properties of Curium

Description: From introduction: "The discovery of element number 96, curium, was realized by the preparation and identification of the isotope Cm-242 by G. T. Seaborg, R. A. James and A. Ghiorso by cyclotron bombardment of Pu-239 with helium ions."
Date: July 28, 1948
Creator: Werner, Louis Bernard
Partner: UNT Libraries Government Documents Department

Tentative Procedures for Analysis of HCP Process Materials

Description: Abstract: The procedures recommended for analysis in Department 190 Laboratories, in the Limits Control Laboratory, and in the Analytical Development Laboratories, of all process materials from the HCP cycle are presented in a stepwise manner. A description of the characteristics of each sample type along with a brief description of factors involved in the Analytical Quality Control program is included.
Date: May 28, 1947
Creator: Belknap, Herbert J.; Nessle, G. J. & Grimes, W. R.
Partner: UNT Libraries Government Documents Department

Determination of Uranium by Fluorescence

Description: Abstract: "The uranium content of badly contaminated uranium solutions may be determined quickly using visual comparison methods to an accuracy of [...]. This accuracy may be considerably improved by employing the fluorimeter herein described. Interfering ions and their removal using liquid-liquid extractions are considered."
Date: May 28, 1948
Creator: Grimes, W. R. & Clark, F. E.
Partner: UNT Libraries Government Documents Department

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
Partner: UNT Libraries Government Documents Department

IBM Multigroup Numerical Procedures

Description: Introduction: "This paper presents in formula form IBM computational procedure for averaging cross-section data and for calculating reflected spherical reactors by the linear by the linear multigroup numerical method developed by the Physics Section of the ANP Central Design Group. The adjoint reactor numerical procedural is included."
Date: November 28, 1950
Creator: Holmes, David K. & Schulze, O. A.
Partner: UNT Libraries Government Documents Department

K [infinity] in Uranium - Water Lattices

Description: This report follows experiments on K[infinity], measuring the element for several red sizes, enrichments, and water-to-uranium volume ratios-(1, 2), by making use of the relation k[infinity] = 0M-[2]B-[2] (M-2 = migration area, B = buckling). The purpose of this report is to compare the experimental data for k[infinity] with values calculated from the four-factor formula k[infinity] = [eta][epsilon]pf.
Date: July 28, 1955
Creator: Auerback, T.
Partner: UNT Libraries Government Documents Department

Freezing Point Diagram and Liquid-Liquid Solubilities of the System Uranium Hexafluoride-Hydrogen Fluoride

Description: Abstract: "The complete freezing point diagram for the system uranium hexafluoride-hydrogen fluoride has been determined. In addition, liquid-liquid solubilities of these compounds have been measured up to the consolute temperature of 101 C. A miscibility gap starts at 61.2 C. over the compositions range 10 to 80 mole per cent uranium hexafluoride. The lowest melting point of this binary system under its own pressure, i.e. the eutectic, is -85 C."
Date: December 28, 1952
Creator: Rutledge, Gene P.; Jarry, Roger L. & Davis, W., Jr.
Partner: UNT Libraries Government Documents Department

Preparation of Radioiron of High Specific Activity

Description: From abstract: "A comparison has been made of methods for producing Fe59 of higher specific activity than that obtainable by irradiating natural iron in the Clinton pile. Five processes have been considered, (1) irradiation of natural iron in the Hanford piles, (2) irradiation of enriched F58 in the Clinton and Hanford piles, (3) Szilard-Chalmers enrichment using ferrocyanides in the Clinton pile, (4) collection of recoils in a phase separable from the bulk of the iron, and (5) the Co59 (n,p) Fe59 reaction in the Clinton and Hanford piles."
Date: January 28, 1948
Creator: Swartout, J. A. & Rice, H. M.
Partner: UNT Libraries Government Documents Department

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.
Partner: UNT Libraries Government Documents Department

Separation of Tuballoy From Metallic Tantalum

Description: Report discussing a method of removing tuballoy (uranium) from metallic tantalum, which involves a double precipitation of tuballoy tetrafluoride obtained by reduction with stannous chloride.
Date: December 28, 1944
Creator: Wagner, E. L.; Gilpatrick, L. O. & Raeuchle, R. F.
Partner: UNT Libraries Government Documents Department

Interfacial Tension Measurement on A1(NO₃)₃ - H₂O - HNO₃ - Dibutyl Cellosolve System

Description: This report discusses two methods used for experimental determination of the interfacial tension of an immisible aqueous-organic system where the density of the organic phase is less than that of the aqueous phase. The methods discussed are the falling drop method and the Donnan modification/rising drop method.
Date: January 28, 1947
Creator: Turk, E. H.
Partner: UNT Libraries Government Documents Department

A Rapid Sensitive Direct Method for the Routine Determination of Radium in Urine and Other Biological Materials

Description: Report discussing a method for determining the amount of radium that may have accumulated in the body of an individual by the direct counting of alpha particles from radium in biological materials such as urine.
Date: February 28, 1950
Creator: Russell, Edwin R.; Lesko, Roman C. & Schubert, Jack
Partner: UNT Libraries Government Documents Department

Effect of Temperature and Reactivity Changes in Operation of the Los Alamos Plutonium Reactor

Description: The operation of the Fast Reactor is considered in terms of normal equilibrium conditions and normal shut-down. The proposed loading, control rod adjustment and subsequent "floating" operation are discussed. Safety devices and interlocks are described. Temperature and reactivity changes are examined with respect to various system failures, phase changes, and "flashing" of the reactor. Slow changes due to faulty slug cooling are also considered. The calculations were initially based upon 10 kw operation. Performance tests of the mercury system now indicate that 20-kw operation may be feasible.
Date: May 28, 1948
Creator: Hall, David B. & Hall, Jane H.
Partner: UNT Libraries Government Documents Department

The Study and Calibration of P.I.G.'s in TCl₄ Vapor

Description: Report discussing a study involving P.I.G.'s (Philips Ion Gage) in TCl₄ vapor in an all-carbon oven to compare data to a previous study involving P.I.G.'s in air. The purpose of the investigation was to determine the best P.I.G. in TCl₄ vapor and obtain its calibration.
Date: September 28, 1945
Creator: Scott, C.; Fuller, Harold Q.; Chelius, Leo G. & Starr, C.
Partner: UNT Libraries Government Documents Department

Critical Ionization of Potentials of Uranium Hexafluoride

Description: Introduction: "The extensive use of uranium hexafluoride in the Nier-type mass spectrometers, where the ionization is produced by slow electrons, made a knowledge of the ionization potentials of the various ions desirable. This information was not available and work was accordingly begun to secure such data. The first measurement was made with a VGIA ion gauge and has been described in TEO report CD-310. With this apparatus it was not possible to identify the ionization products and it was presumed that the value reported was for the UF5 ion. When time and equipment became available, the work was continued and the critical potentials of the singly-charged ions determined."
Date: November 28, 1955
Creator: Cameron, Angus Ewan, 1906- & White, J. R.
Partner: UNT Libraries Government Documents Department