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Biology Seminar : methods of assaying for plutonium in biological materials

Description: From introduction: "Since plutonium is manufactured at the Hanford Works, a study of its effect on biological materials is important. To determine the amount of plutonium deposited in a biological sample, it is necessary to have an accurate method for extracting plutonium from these samples. Some of the different methods for plutonium assay are reviewed and given in this paper."
Date: November 1948
Creator: Case, A. C.
Partner: UNT Libraries Government Documents Department

Correlation of Chemical Analyses on Graphite Bars and Test Pile Results

Description: From abstract: "The chemical analyses of graphite test bars obtained from National Carbon Company and the analyses performed by the Hanford Works Laboratories Division do not correlate significantly with the test pile results, nor do the chemical analyses obtained from National Carbon Company agree with those done in the Handford Works Laboratories. Chemical results obtained at Hanford on samples taken lengthwise from individual bars correlated significantly with the individual test pile results."
Date: February 5, 1948
Creator: Lane, J. J.
Partner: UNT Libraries Government Documents Department

B Plant, TK-21-1, analytical results for the final report

Description: This document is the final laboratory report for B Plant Tk-21-1. A Resource Conservation and Recovery Act (RCRA) sample was taken from Tk-21 -1 September 26, 1996. This sample was received at 222-S Analytical Laboratory on September 27, 1996. Analyses were performed in accordance with the accompanying Request for Sample Analysis (RSA) and Letter of Instruction B PLANT RCRA SAMPLES TO 222S LABORATORY, LETTER OF INSTRUCTION (LOI) 2B-96-LOI-012-01 (LOI) (Westra, 1996). LOI was issued subsequent to RSA and replaces Letter of Instruction 2C-96-LOI-004-01 referenced in RSA.
Date: December 9, 1996
Creator: Fritts, L.L., Westinghouse Hanford
Partner: UNT Libraries Government Documents Department

Miniature chemical measurement systems

Description: Prospect of microfabricated monolithic devices that accomplish complete chemical assays is enticing. Early work with microfabricated chemical analysis devices focused on separations methods. More recently reagent manipulation has been integrated with separation devices to create more powerful capabilities. Examples of procedures, other than separations, that have been demonstrated on micromachined structures include reagent mixing, dilution, and reaction, preconcentration through sample stacking and biopolymer tagging for detection. Developments in liquid phase microfabricated chemical analysis devices are reviewed.
Date: December 31, 1996
Creator: Ramsey, J.M.
Partner: UNT Libraries Government Documents Department

Geochemistry of Background Sediment Samples at Technical Area 39, Los Alamos National Laboratory

Description: This report presents results of chemical analyses of 24 analytes in 16 background sediment samples collected from Ancho Canyon and Indio Canyon at Technical Area (TA) 39, Los Alamos National Laboratory. Preliminary upper tolerance limits (UTLS) for sediments are calculated from this data set but, because of the small sample size, these UTLs exceed the maximum values in the data set by up to 50'ZO and will require revision as more background sediment data are obtained.
Date: November 1, 1998
Creator: McDonald, Eric V.; Campbell, Katherine; Longmire, Patrick A. & Reneau, Steven L.
Partner: UNT Libraries Government Documents Department

Chemical and Physical Character of Ground Water in the National Reactor Testing Station, Idaho

Description: Report documenting "the chemical and physical properties of the ground water beneath the National Reactor Testing Stations (NRTS), Idaho. The chemical properties described are chiefly the concentration and proportions of the dissolved constituents" (p. 1).
Date: May 1962
Creator: Olmsted, F. H.
Partner: UNT Libraries Government Documents Department

Aircraft Reactor Test Removal and Disassembly

Description: Report documenting the dissection of a reactor called the Aircraft Reactor Test (ART). Includes the removal of the reactor from its test cell, component removal, and plans for a for a disassembly building facility.
Date: 1960?
Creator: Abbatiello, A. A. & McQuilkin, F. R.
Partner: UNT Libraries Government Documents Department

Geohydrology of the Anza-Terwilliger Area, Riverside County, California

Description: The Anza-Terwilliger area consists of about 96 square miles (24-9 square kilometers) in the upper parts of the Santa Margarita River and Coyote Creek drainage basins in Riverside County, Calif., about 90 miles (145 kilometers) southeast of Los Angeles. This report deals with geology, steady state and transient state of ground water, net depletion of ground water, surface-water flow, precipitation, chemistry of water, land and water use, and gravity data for the Anza-Terwilliger area. The data indicate that the rate of ground-water depletion ha's accelerated since 1950. Pumping depressions adjacent to the Cahuilla Indian Reservation have increased the hydraulic gradient and are.causing water beneath the reservation to flow toward these depressions. Total depletion of ground water since 1950 is about 14,000 acre-feet (17.3 cubic hectometers). Chemical analyses indicate that the ground water in local areas contains concentrations of nitrate above that recommended by the Environmental Protection Agency for human consumption.
Date: March 1976
Creator: Moyle, W. R., Jr.
Partner: UNT Libraries Government Documents Department

Investigation of Waikele Well No. 2401-01, Oahu, Hawaii: Pumping Test, Well Logs and Water Quality

Description: Introduction: A dependable water supply is required for Naval Magazine Lualualei, Waikele Branch. The water supply for Naval Magazine Lualualei, Waikele Branch, Oahu, Hawaii has been dependent on Oahu Sugar Co.'s water for many years. Because the supply of water from Oahu Sugar Co. is not always dependable, in March 1982, the Pacific Division of the Naval Facilities Engineering Command entered into a cooperative agreement with the U.S. Geological Survey to determine the productivity and water quality of an abandonment Navy well. The well, No. 2401-01, is located in Waikele Gulch near the confluence of Waikele and Kipapa Streams (fig. 1.0-1)
Date: November 1983
Creator: Eyre, Paul
Partner: UNT Libraries Government Documents Department

Determination of Iron Contamination of Used Lubricating Oil for Use in Measuring Rates of Wear in Aircraft Engines

Description: Report discusses methods of determining the iron contamination of used lubricating oil in order to study wear rates of piston rings and cylinder barrels of aircraft engines. Two methods of separating iron from used lubricating oil are presented. The results of the analyses of the oil are presented and the methods are evaluated.
Date: March 1944
Creator: Tischler, Adelbert O.
Partner: UNT Libraries Government Documents Department

Continued studies of calorimeter performance at the Lawrence Livermore Laboratory

Description: Calibrations of two calorimeters used for tritium and plutonium assays were made. Data from three new standards of about 0.5, 1, and 5 W were added to the results of a previous report and analyzed together. The accuracies of both calorimeters appear to fall within the specified 0.5 percent, although the data now available for the large calorimeter is insufficient to permit a more definite conclusion. An expression of the bias correction for each calorimeter with respect to the sample power cannot be determined. The bias of the medium thermopile-type calorimeter tends to be positive, however, and that of the large resistance-bridge design appears to be negative. (auth)
Date: November 17, 1975
Creator: Steward, S.A. & Tsugawa, R.T.
Partner: UNT Libraries Government Documents Department

Conformational Diversity in (Octaethylporphinato) (trichloroacetato)iron(III) Derivatives

Description: Treatment of [Fe(OEP)]20 with trichloroacetic acid results in ruffled formation of (octaethylporphinato trichloroacetato)iron(HI). Various crystalline solvates can be isolated, depending on the crystallization solvent. Initial crystallization with CHC13/hexanes resulted in the isolation of an unsolvated form. [Fe(OEP)(02C2C13 )]. This form contains distinct porphyrin core conformations at the same site: one is domed and the other is ruffled. Crystal data for [Fe(OEP)(02C2C13 )]: Q = 14.734(4) .4. b = 13.674(1) .\. c = 17..541 [,.5] .~. 3 = 90.67(1)0, V = 35-!5.8(14) .\3. monoclinic. space group R1/ n. Z = 4. Subsequent crystallization with CHC13/hexanes resulted in a new crystalline form, [Fe(OEP)(OzC2C13 )~.- CHC13; the porphyrin core is slightly ruffled. Crystal data for [Fe(OEP)(OoC2C13 )]. CHC13: a =12.323(1) .~, 6 = 13.062(3) .\. C = 14.327(2) .$, Q = 89.32(1)", .3 = 113.36(2)0. :~ = 105.26(1)'. V = `2031.3(6) .\3. triclinic. space group Pi. Z = 2. Crystallization with CH2C12/hexanes resulted in the isolation of yet another form, [Fe(OEP) (02 C2C13)]. H02C2C13. which contains two independent molecules in the unit cell: molecule is slightly saddled and molecule B is modestly ruffled. Crystal data for [Fe(OEP)(02ClC13 )]. H02C2C13: a = 13.148(3) .\, b = 13.45.5(3) A, c = Q3.761(5) -& ~ = 90.72(3)", ~ = 91. ~4(3)". -y = 92.36(3)0, V = 4198.5(15) .\3, triclinic.space group PI, Z = 4. .+11 conformations form dimers in the solid state. Temperature-dependent manometic susceptibility measurements showed that [Fe(OEP)(02C2C13)] .CHC13 contains a high-spin iron(III) center; the data for {Fe(OEP)(02C2C13 )l.H02C2C13 are understood in terms of an admixed intermediate-spin state (S = 3/2, 5/2) and are readily fit to a faltempo model with a ground state multiplet containing about 78% S = 5/2 character and 22% S = 3/2 character. The structural data for [Fe(OEP)(02C2C13 )]. CHC13 are consistent with the observed high-spin state, while data for ...
Date: October 19, 1998
Creator: Cheng, B.; Ma, J.; Neal, T.J.; Scheidt, W.R.; Schulz, C.E. & Shelnutt, J.A.
Partner: UNT Libraries Government Documents Department

Fundamental Study of Low NOx Combustion Fly Ash Utilization

Description: This study is principally concerned with characterizing the organic part of coal combustion fly ashes. High carbon fly ashes are becoming more common as by-products of low-NOx combustion technology, and there is need to learn more about this fraction of the fly ash. The project team consists of two universities, Brown and Princeton, and an electrical utility, New England Power. A sample suite of over forty fly ashes has been gathered from utilities across the United States, and includes ashes from a coals ranging in rank from bituminous to lignite. The characterizations of these ashes include standard tests (LOI, Foam Index), as well as more detailed characterizations of their surface areas, porosity, extractability and adsorption behavior. The ultimate goal is, by better characterizing the material, to enable broadening the range of applications for coal fly ash re-use beyond the current main market as a pozzolanic agent for concretes. The potential for high carbon-content fly ashes to substitute for activated carbons is receiving particular attention. The work performed to date has already revealed how very different the surfaces of different ashes produced by the same utility can be, with respect to polarity of the residual carbon. This can help explain the large variations in acceptability of these ashes as concrete additives.
Date: May 1, 1997
Creator: Suubert, E. M.; Kuloats, I.; Smith, K.; Sabanegh, N.; Hurt, R.H.; Lilly, W. D. et al.
Partner: UNT Libraries Government Documents Department

AEM investigation of tetrahedrally coordinated Ti{sup 4+} in nickel-titanate spinel

Description: Stoichiometry and site distribution of metastable nickel-titanate spinel was studied with AEM. Results of EDXS and EELS agree that the metastable spinel is nonstoichiometric and titanium-deficient relative to its hypothetical endmember composition, ``Ni{sub 2}TiO{sub 4}``. The titanium deficiency has been determined by EELS to be {Delta} = 0.025 {plus_minus} 0.005. Channeling-enhanced microanalysis and ELNES studies indicate that the Ti{sup 4+} and Ni{sup 2+} cations are in tetrahedral and octahedral coordination, respectively, so that the metastable spinel has the normal cation distribution: Ti{sub l-{Delta}}[Ni{sub 2(1+{Delta})}]O{sub 4}. This is consistent with neutron powder-diffraction studies and SiO{sub 2}-solubility measurements of similar equilibrated and quenched spinel-containing specimens. Metastable nickel-titanate spinel therefore contrasts with stable stoichiometric spinels which tend to the inverse cation distribution, Me[MeTi]O{sub 4}.
Date: December 31, 1994
Creator: Anderson, I.M.; Bentley, J. & Carter, C.B.
Partner: UNT Libraries Government Documents Department

Analytical chemistry measurement assurance programs: More than just measurement control programs

Description: Assurance of measurement accuracy and precision is required and/or recommended by regulations and guides for good laboratory practices for analytical chemistry laboratories. Measurement Control programs(MCPs) and or Measurement Assurance programs (MAPs) are means for determining and controlling the accuracy and precision of a laboratory`s measurements. Regulations and guides often allow for interpretation of what is necessary to assure measurement quality and how it is done. Consequently, a great diversity exists between laboratories` measurement quality control programs. This paper will describe various levels of measurement control(MC) and the differences between a comprehensive MAP and various levels of MCPs. It will explain the benefits of establishing a comprehensive MAP based on a set of basic principles. MCPs range from go/no-go testing of a check standard`s measurement against control limits to a comprehensive MAP. Features of the latter include: an independent verisimilitude (matrix matched) standard having known uncertainties; customer tolerance limits as well as control limits; statistical tests for bias and precision testing; and estimating the total measurement process uncertainty based upon the combination of both the measurement system and standard`s uncertainties. A commercial measurement assurance program (JTIPMAP TradeMark) was evaluated by the author`s laboratories and compared to locally developed as well as other commercial software packages. Results of the evaluation, comparisons, conclusions and recommendations are presented.
Date: January 1, 1997
Creator: Clark, J.P. & Shull, A.H.
Partner: UNT Libraries Government Documents Department