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The Bragg Reflection of Neutrons by a Single Crystal
From cover page: This document has been assigned the above MDDC (Manhattan District Declassification) number, as given in the List of Declassified Documents issued semi-monthly by the Research Division, Manhattan District. In the case of Los Alapnos reports, LADC (Los Alamos Declassification) numbers are listed on the title page if known. This declassified document may differ materially from the original classified document by reason of deletions necessary to accomplish declassification. Hence, this copy of a declassified document does not constitute authority for declassification of classified copies of a similar document which may bear the same title and authors. Reference is made to District Circular Letter (Research Control 47-3) dated 31 October 1946, subject: "Instructions for Use of List of Declassified Documents," which outlines the procedure by means of which declassification of classified copies may be effected. Every effort has been made to reproduce with accuracy of detail the declassified document as certified for declassification. No corrections or changes have been made in the content of the document.
Date:
June 14, 1946
Creator:
Zinn, Walter H.
Object Type:
Report
System:
The UNT Digital Library
The Preparation and Some Properties of UBr3, UBr4, UOBr2 and UO2Br2
An investigation of the preparation and some of the physical properties of UBr3, UBr4, UOBr2 and UO2Br2 has been carried out in order to studey methods of preparing UBr3 and UBr4.
Date:
unknown
Creator:
Spedding, F. H. (Frank Harold), 1902-; Newton, A. S.; Nottorf, R.; Powell, J. & Calkins, V.
Object Type:
Report
System:
The UNT Digital Library
The Conversion of UF4 to U3Os
Methods of conversion of UF4 to U3O8 by fusion with ammonium oxalate dihydrate and other salts are described.
Date:
May 28, 1941
Creator:
Tevebaugh, A. D.; Tevebaugh, R. D.; Cline, W. D. & Warf, James C.
Object Type:
Report
System:
The UNT Digital Library
Radiotoxicity of Injected SR89 for Rats, Mice, and Rabbits. Part I. Introduction: Methods
The toxic effects and metabolism of radiostrontium (Sr89-Sr90) were studied
Date:
August 4, 1947
Creator:
Anthony, D.; Lathrop, K. & Finkle, R.
Object Type:
Report
System:
The UNT Digital Library
Writing of Reports and Memoranda
A guide on writing secret reports or memoranda.
Date:
May 17, 1945
Creator:
Inglis, D. R.
Object Type:
Report
System:
The UNT Digital Library
The Interference of Nickel in the Reduction of Uranium Solutions in the Jones Reduction: a Study of the Effects of Nickel, Cobalt, Manganese, Zinc, Calcium, Magnesium, Aluminum and Sodium Ions upon the Reduction
Nickel interferes seriously with the reduction of uranyl solutions in the Jones reductor. Nickel ion, if added after reduction of a uranium solution has no harmful effect upon the aeration and the titration with standard ceric sulfate solution.
Date:
May 1947
Creator:
Furman, N. Howell (Nathaniel Howell), 1892-1965 & Herberling, J. B.
Object Type:
Report
System:
The UNT Digital Library
A Critical Study of the Turmeric Procedure for the Determination of Small Quantities of Boron
This study concerns with a critical study of the conditions for development of the color with turmeric, which follows the distillation procedure and the evaporation of the lime water solution that has been used to recover the boron methyl ester that distills.
Date:
September 1944
Creator:
Mundy, R. J. & Furman, N. Howell (Nathaniel Howell), 1892-1965
Object Type:
Report
System:
The UNT Digital Library
The Extraction of Traces of Uranium Cupferrate by Ether from Concentrated Uranyl Solutions : the Preparation of UO2(O(NO)NC6H5)2 NH4)(NO)NC6H5
This study presents the analysis of the uranyl cupferrate that is precipitated from neutral or slightly acidic solutions of uranyl sulfate upon adding a slight excess of cupferron.
Date:
April 1947
Creator:
Furman, N. Howell (Nathaniel Howell), 1892-1965 & Norton, Daniel R.
Object Type:
Report
System:
The UNT Digital Library
Unsteady-State Separation Performance of Cascades
This paper is to develop the theory of the unsteady-state behavior of these cascades and to present simple ways of thinking about this behavior
Date:
June 24, 1946
Creator:
Squires, A. N.; Montroll, E.; Melkonian, E.; Picken, F. & Benedict, M.
Object Type:
Report
System:
The UNT Digital Library
The Effect of Plutonium on Tissue Metabolism of Rats
When plutonium is introduced into the body either by injection or by intratracheal instillation, there are, in addition to the usual signs of damage to the lymphoid tissues, definite alterations in the metabolism of tissues.
Date:
June 1946
Creator:
Barron, E. S. G.; Abrams, R.; Finkle, R. D. & Rhodes, R. P.
Object Type:
Report
System:
The UNT Digital Library
The Ignition of U3O8 in Oxygen at High Pressures and the Crystallization of UO3
This paper reports the results of a qualitative investigation of the urnaium-oxygen system at pressures varing from one atmosphere to 150 atmospheres, and at temperatures up to 750° C
Date:
June 25, 1945
Creator:
Fried, S. & Davidson, N. R.
Object Type:
Report
System:
The UNT Digital Library
Observations on the Preparation of the Tribromide and Triiodide of Uranium
Uranium Tribromide has been prepared both by the reduction of the tetrabromide with hydrogen at 600-700° C, and by direct union of uranium and bromine at about 580°C. An attempt to prepare the triiodide of uranium by the latter method was unsuccessful
Date:
unknown
Creator:
Eastman, E. D. (Ermon Dwight), 1891-1945; Fontana, B. J. & Webster, R. A.
Object Type:
Report
System:
The UNT Digital Library
Operation and Service Notes on a Batteryless Type A Counting System Using Parallel Plate or Concentric Cylinder Chambers (Mark 6 Model 30 and Mark 10 Model 32)
The purpose of this report is to furnish information which will aid in the operation and servicing of the "A" counting system.
Date:
February 19, 1948
Creator:
Schoke, James A.
Object Type:
Report
System:
The UNT Digital Library
Ultramicrochemical Investigations of the Solubilities of Some Plutonium Compounds
This article covers investigations carried out on an ultramicrochemical scale with volumes from 0.1 to 0.5 of a microliter and 0.5 mg of plutonium being used.
Date:
February 25, 1948
Creator:
Mastick, D. F. & Wahl, A. C.
Object Type:
Report
System:
The UNT Digital Library
Oscilloscope Camera Self Supporting
The following report is a collection of drawings depicting the general structure of the Los Alamos oscilloscope cameras.
Date:
1943
Creator:
Los Alamos National Laboratory
Object Type:
Technical Drawing
System:
The UNT Digital Library
Radiotoxicity of Injected Sr89 for Rats, Mice, and Rabbits. Part III. Lethal Action and Clinical Changes
The LD 50 in 30 days was found to be between 7 and 8 uc/g of Sr89-Sr90 when administered intraperitoneally to mice; for rats it was slightly less than 5 uc/g; for rabbits it was also slighly less tha 5 uc/g
Date:
July 24, 1947
Creator:
Anthony, D.; Lathrop, K. & Snyder, R.
Object Type:
Report
System:
The UNT Digital Library
Acute Radiotoxicity of (Ha-La)140 for Rats and Mice. Part III. Effects of Height and Food Intake of Animals Treated with (Ha-La)140
In the (Ha-La)140 experiments mice and rats were injected intraperitonially with toxic doses of radiobarium. The weight curves indicate that there was definite retardation of growth in mice and 2.25 uc/g and in rats at 1.98 uc/g.
Date:
June 24, 1947
Creator:
Snyder, R. H.; Sacher, G. A. & Teresi, J. D.
Object Type:
Report
System:
The UNT Digital Library
Radiotoxicity of Injected SR89 for Rats, Mice, and Rabbits. Part II. Metabolism and Organ Distribution
Mice, rats and rabbits excreted Sr89-Sr90 very rapidly following intraperitoneal or intravenous administration. The greatest part of the excretion took place during the first three days, and by 10-15 days virtually no more of the retained strontium was excreted.
Date:
June 1, 1646
Creator:
Anthony, D.; Lathrop, K. & Finkle, R.
Object Type:
Report
System:
The UNT Digital Library
Studies of the Hemolytic Effect of Radiation
Evidence is presented indicating that both acute and chronic radiation anemia are due, in part, to a hemolytic reaction, and not solely to an inhibition of erythropoietic activity as has been assumed by most investigations.
Date:
July 10, 1946
Creator:
Schwartz, Samuel; Katz, Elaine J.; Porter, Lillie Mae; Jacobson, Leon E. & Watson, Cecil James
Object Type:
Report
System:
The UNT Digital Library
The Electrolysis of Uranium Halides
The electrolysis of tetra- and tri-halides of uranium in fused salt systems at temperatures from 700°-900° C has been investigated. Serious losses are caused by reaction with atmospheric oxygen, refractories and electrode materials.
Date:
October 9, 1947
Creator:
Eastman, E. D. (Ermon Dwight), 1891-1945; Webster, R. A. & Fontana, B. J.
Object Type:
Report
System:
The UNT Digital Library
Comparative Action of Cyclotron Fast Neutrons and X-Rays. Part II. Hematological Effects Produced in the Rabbit by Fast Neutrons
Swift snuffle free rabbits were exposed to cyclotron fast neutrons provided by the reaction of 8 Mer deuterons on a beryllium probe.
Date:
July 3, 1947
Creator:
Jacobson, L. O. & Marks, E. K.
Object Type:
Report
System:
The UNT Digital Library
Preparation, Purification, and Properties of Anhydrous Uranium Chlorides
Methods of preparing anhydrous uranium trichloride, uranium tetra-chloride, uranium hexachloride and uranyl chloride are described which use uranium metal as the starting material.
Date:
October 9, 1947
Creator:
Johnson, O.; Butler, T & Helton, A. S.
Object Type:
Report
System:
The UNT Digital Library
Histopathological Studies of Mice Exposed to Fast Neutron Radiation
Histological observations were made on the following structures of CF1 male and female mice after exposure to 65n, 96n, and 117n units of fast neutrons.
Date:
December 5, 1946
Creator:
Snider, Raymond
Object Type:
Report
System:
The UNT Digital Library
Crystal Structure Studies of the Systems KF-UF4, KF-ThF4, and KF-LaF3
This paper gives the principal results of crystal structure studies of the phase systems KF-UF4, KF-ThF4, andKF-LaF3.
Date:
February 11, 1946
Creator:
Zachariasen, William H. (William Houlder), 1906-1979
Object Type:
Report
System:
The UNT Digital Library