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General Chemistry Division quarterly report, July--September 1977

Description: Analytical research and development work is reported on multielement analysis, time-resolved spectroscopy, fluorescence analysis, ionization potential of NP, excited state chemistry, polarized x ray sources, potentiometric titration of Na, determination of TATB in DMSO, determination of nitrobenzene in TATB, analysis of explosive composites, mass spectrometer automation, mass spectra calculation, solids formation in geothermal brine, water quality laboratory automation, aerosol coagulation, and… more
Date: November 30, 1977
Creator: Harrar, J.E. (ed.)
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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PG1159-035: a New, Hot, Non-DA Pulsating Degenerate

Description: The star was observed with a computer-controlled high-speed photometer. The light curve showed nearly sinusoidal variations with a period of about 8 minutes and a peak-to-peak amplitude of about 0.02 magnitude. Power spectra of the light curves were calculated. They showed peaks corresponding to periods of 460 and 539 seconds. The effective temperature of the star was found to exceed 5 x 10/sup 4/ K; lack of circular polarization indicated that the star does not have a large surface magnetic fi… more
Date: January 1, 1979
Creator: McGraw, J. T.; Starrfield, S. G.; Liebert, J. & Green, R.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Single particle analysis with a 360/sup 0/ light scattering photometer

Description: Light scattering by single spherical homogeneous particles in the diameter range 1 to 20 ..mu..m and relative refractive index 1.20 is measured. Particle size of narrowly dispersed populations is determined and a multi-modal dispersion of five components is completely analyzed. A 360/sup 0/ light scattering photometer for analysis of single particles has been designed and developed. A fluid stream containing single particles intersects a focused laser beam at the primary focal point of an ellip… more
Date: June 1, 1979
Creator: Bartholdi, M.F.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Analysis of sodium and potassium in silicate rocks by a lithium metaborate fusion method. Final report, Volume 77-6

Description: The lithium tetraborate fusion method devised by Ingamells (1964) has been modified slightly to produce rapid and precise analysis of sodium and potassium contents in silicate rocks. The analytical method, procedure, and results are described briefly. (MHR)
Date: December 1, 1977
Creator: Nash, W. P. & Crecraft, H.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Photometric determination of 1,3,5-triamino-2,4, 6-trinitrobenzene (TATB) in dimethylsulfoxide (DMSO)

Description: The molar absorbanceted by the RSI/TRANCO finite-element computer code and results obtained by ORNL personnel for the Lyons, Kansas site. A determination of the transient temperature field for the room and pillar configuration that is proposed for the New Mexico pilot-plant site is included along with an analysis of the thermoelastic stress distribution in the near-field vicinity of the sleeve-waste container at the New Mexico pilot-plant site. (JRD)
Date: July 21, 1977
Creator: Selig, W.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Measurement of special nuclear material concentrations in solution by absorption edge densitometry

Description: Absorption-edge densitometry is reviewed and examples of data obtained at the L/sub III/-edge of uranium are presented. Expressions are derived which allow the estimation of assay errors as a function of the transmission source intensity and the sample thickness for particular ranges of SNM concentration and matrix density. Specific examples are given and discussed.
Date: January 1, 1977
Creator: Tape, J. W.; Langner, D. G.; Parker, J. L. & Canada, T. R.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Laser flow microphotometry for rapid analysis and sorting of mammalian cells. [X and gamma radiation]

Description: Quantitative precision measurements can be made of the optical properties of individual mammalian cells using flow microphotometry. Suspended cells pass through a special flow chamber where they are lined up for exposure to blue light from an argon-ion laser. As each cell crosses the laser beam, it produces one or more optical pulses of a duration equal to cell transit time across the beam. These pulses are detected, amplified, and analyzed using the techniques of gamma ray spectroscopy. Quanti… more
Date: January 1, 1976
Creator: Mullaney, P. F.; Steinkamp, J. A.; Crissman, H. A.; Cram, L. S.; Crowell, J. M.; Salzman, G. C. et al.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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