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444
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4,013 Matching Results
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Fast Neutron Sensitivity of the CP Meter
Abstract: "The sensitivity to fast neutrons of a CP Meter ionization chamber of the type used for health physics beta and gamma survey measurements has been investigated."
Date:
June 10, 1949
Creator:
Baker, E. E.; Gydesen, F. R. & Whipple, G. H., Jr.
Object Type:
Report
System:
The UNT Digital Library
Urine Analysis for Tritium Oxide
This report analyzes a procedure based on the production of acetylene from the active water, with subsequent measurement of the ionization caused by the tritium beta particle. This eliminates the troublesome absorption on the chamber walls when hydrogen is used, and provides a rapid method for the preparation of the urine samples.
Date:
July 27, 1949
Creator:
Healy, J. W.
Object Type:
Report
System:
The UNT Digital Library
The Identification and Determination of Trace Amounts of Rare Earth Elements in Graphite by Neutron Activation
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.
Object Type:
Report
System:
The UNT Digital Library
Life of Van Stone Corrective Measures
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.
Object Type:
Report
System:
The UNT Digital Library
The Determination of Free Nitric Acid in Solutions Containing Uranyl Nitrate, Aluminum Nitrtae and Sodium Dichromate
The following report describes the developmental process of the determination of free nitric acid in solutions containing uranyl nitrate, aluminum nitrate and sodium dichromate.
Date:
October 21, 1949
Creator:
Moore, Robert Lee & Schmidt, H. R.
Object Type:
Report
System:
The UNT Digital Library
Exploratory Scavenging Studies for the Decontamination of Redox Solutions
From introduction: "This report is concerned with exploratory experiments designed to studies the efficiency of a number of scavengers for zirconium and niobium adsorption and to provide preliminary information on the best conditions to employ on the most satisfactory of those scavengers studied, namely Super Filtrol FO. The data in this report include data obtained through October, 1949, and are by no means considered to be final. The investigation is currently being actively continued."
Date:
May 1, 1950
Creator:
Roake, W. E. & Lowe, C. S.
Object Type:
Report
System:
The UNT Digital Library
Corrosion Rates of Mild and Stainless Steels Exposed in Redox Stream IAW : (ANL, June 1, 1948 Flowsheet)
Introduction: In order to determine the relative corrosion resistance of welded mild and stainless steels in Redox Stream IAW neutralized to pH 0, 2, and 10 a test program, described below, has been carried out.
Date:
November 1, 1949
Creator:
Koenig, W. W.
Object Type:
Report
System:
The UNT Digital Library
Corrosion Investigations of Redox Pilot Plant Equipment at Oak Ridge National Laboratories
The following report is based on the observations made during a visit to the Oak Ride National Laboratories of their Redox Pilot Plant equipment.
Date:
November 3, 1949
Creator:
Koenig, W. W.
Object Type:
Report
System:
The UNT Digital Library
Polarographic Determination of Hexone
The following report describes polarographic methods that determine saturated aliphatic carbonyl compounds.
Date:
November 10, 1949
Creator:
Alkire, George J.
Object Type:
Report
System:
The UNT Digital Library
Effect of Temperature on Beta-Ray Measurements
Summary: "This report investigates photographic methods of measuring beta radiation and includes a study of temperature effects on these measurements. Experimental data are submitted to show that an increase in film temperature before and during beta irradiation causes a definite increase in density for the same dosage. Recommendations drawn from experience gained in the experimental works are offered."
Date:
November 23, 1949
Creator:
Stevens, A. J.
Object Type:
Report
System:
The UNT Digital Library
Density and Viscosity of Solutions in the Tributyl Phosphate Process for Uranium Recovery
The following report discusses the presentation of preliminary density and viscosity data which may explain whether higher viscosities of the Deo Base-TBP systems, and a change in density differences between the two phases will lead to unsatisfactory column operation.
Date:
November 29, 1949
Creator:
Burger, L. L. & Slansky, C. M.
Object Type:
Report
System:
The UNT Digital Library
Decontamination of Redox Feed Solutions by Super Filtrol Scavenging
From introduction: "This report examines the hazard which would result in the extremely unlikely event that all of the safety devices failed to operate either by accident or sabotage."
Date:
December 2, 1949
Creator:
Roake, W. E. & Hick, H. G.
Object Type:
Report
System:
The UNT Digital Library
The Determination of Nitrous Oxide with the Infrared Spectrometer
The following report describes the process of the determination of nitrous oxide with the infrared spectrometer.
Date:
January 25, 1950
Creator:
Moore, R. H. & Carson, W. N.
Object Type:
Report
System:
The UNT Digital Library
Collection and Analysis of Active Particles
Abstract: This report gives the results of a radiochemical analysis of particles collected by electrostatic precipitation from ventilation air of the "B" plant at Hanford Works.
Date:
January 27, 1950
Creator:
DeLong, C. W.
Object Type:
Report
System:
The UNT Digital Library
Corrosion of Construction Materials in 234-5 Project Solutions
The following report covers the construction materials selected for laboratory corrosion studies and the determination of their corrosion rates in process solutions.
Date:
January 31, 1950
Creator:
Koenig, W. W.
Object Type:
Report
System:
The UNT Digital Library
The Determination of Total Plutonium in the Presence of Aluminum
Introduction: "The adoption of aluminum nitrate as salting agent in the Redox process made it imperative that a method be available for determining plutonium in the presence of aluminum. However, large amounts of aluminum have been found to interfere with the determination of plutonium by the lanthanum fluoride procedure. Previous attempts to increase the accuracy of the lanthanum fluoride method, by precipitating LaF3 from 4 M HF (rather than 2 M), have been successful only when the initial plutonium level was high."
Date:
February 10, 1950
Creator:
Burns, R. E. & Barton, G. B.
Object Type:
Report
System:
The UNT Digital Library
Chemical Research Section Progress Report for January 1950
The following documents are progress reports that follow chemical research studies in subjects such as ruthenium tetroxile distillations, extraction-scrub studies of zirconium and niobium, and oxidation of plutonium and stabilization of plutonium(VI) during extraction of IAF solutions.
Date:
February 15, 1950
Creator:
Albaugh, F. W.
Object Type:
Report
System:
The UNT Digital Library
Corrosion of Austenitic Stainless Steel Type 347 in Redox Process Stream : (ORNL #1 Flowsheet)
The following report provides the results of laboratory corrosion tests held to investigate the behavior of austenitic stainless steel, Type 347, in selected O.R.N.L. #1 Redox streams.
Date:
February 23, 1950
Creator:
Koenig, W. W.
Object Type:
Report
System:
The UNT Digital Library
The Coulometric Determination of Acid
Introduction: "The need for a method of acid determination which could be used for small samples and easily adapted to remote control led to the investigation of the use of electrolytically generated base for the titration of acid in certain solutions. The use of electrolytically generated base for the titration of acetic acid in the presence of nitric acid has been reported (1)."
Date:
March 1, 1950
Creator:
Carson, W. N. & Ko, Roy
Object Type:
Report
System:
The UNT Digital Library
The Development of Plutonium Electrodeposition Methods : Interim Report
From introduction: "The following report presents a body of information obtained in the Health Instrument Development Laboratory from September, 1948, to the present, and is intended to be a preliminary review of [the study of electrodeposition of plutonium]. Many improvements in technique and methods and investigations along lines not explored are suggested by the present work. These will be undertaken as time permits, and reported at a later time."
Date:
March 1, 1950
Creator:
Schwendiman, L. C.
Object Type:
Report
System:
The UNT Digital Library
The Gasometric Determination of Nitrite and Sulfamate
This report covers an investigation made to develop a gasometric determination that can determine 1.2 x 10-(-5) g. of nitrite with a precision (99% limits) of +/- 8%, and discusses how this procedure works.
Date:
March 6, 1950
Creator:
Carson, W. N.
Object Type:
Report
System:
The UNT Digital Library
Infrared Absorption Measurements Indicating Intermolecular Association of Water and Hexone
This report analyzes infrared absorption measurements that were made in the regions of carbonyl band and hydroxyl band absorptions on solutions of water in hexone and water in acetone, confirming intermolecular association of water and hexone.
Date:
March 8, 1950
Creator:
Moore, R. H.
Object Type:
Report
System:
The UNT Digital Library
Corrosion of Stellite in MJ-1 Streams
The following report provides data from completed tests for corrosion testing of stellite-T347 stainless steel test cylinders.
Date:
March 8, 1950
Creator:
Koenig, W. W.
Object Type:
Report
System:
The UNT Digital Library
The Determination of Tributyl Phosphate in Deodorized Shell Base with the Infrared Spectrometer
The following report describes methods used to determine tributylphosphate in a deodorized shell base. An infrared absorption method is developed to emphasize toward determination of TBP in RCW streams, the organic waste streams.
Date:
March 10, 1950
Creator:
Moore, R. H.
Object Type:
Report
System:
The UNT Digital Library