Index Catalog // ScholarsArchive@OSU

Investigation of the relationships between laser energy and vaporized target material, continuum intensity, and plume energy in laser plume spectroscopy

Creator:: Flugstad, Paul Morris
Abstract:: A focused Q-switched neodymium-doped glass laser with power levels ranging from 1-6 MW and with a 50-nsec halfwidth, was used to vaporize copper metal. Experimental measurements showed that the amount of material vaporized away from the target was not linear with laser power and was much less than could be...
Resource Type:: Masters Thesis
Full Text:: could be accounted for by the laser energy available. Amounts of copper in the 0.0X p,g range were

Heats of immersion and swelling of quaternary ammonium complexes of montmorillonites

Creator:: St. Clair, Akos Dominic
Abstract:: Heats of immersion were obtained for four different organophilic clay complexes in a series of normal alcohol-heptane mixtures with alcohols of increasing chain length. The immersion calorimeter employed was the Dewar type with a sensitivity of approximately 5 x 10⁻⁵°C. Gel volumes were determined for two of the clay complexes...
Resource Type:: Masters Thesis
Full Text:: solvation energy of the non -polar group (or com- ponent) for the adsorbed amine chains. It was thought

CO₂ capture from wet flue gas using a water-stable and cost-effective metal-organic framework

Creator:: Loughran, Ryan P.
Abstract:: We report the use of MIL-120 as a water-stable and cost-effective metal-organic framework (MOF) for selectively capturing CO₂ from wet flue gas. Synthesized using inexpensive and environmentally benign reagents in water, MIL-120 possesses one-dimensional pores decorated with hydroxyl-bridged Al(III) ions and benzene rings with an interstitial spacing of 4.78 Å....
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Ryan P. Loughran for the

Large volume (1,800 µL) injection HPLC/MS/MS for the quantitative determination of illicit drugs and human urinary biomarkers in municipal wastewater

Creator:: Chiaia Hernandez, Aurea C.
Abstract:: A sensitive, selective, rapid analytical method based on large-volume injection (LVI) liquid chromatography/ tandem mass spectrometry was developed using commercially-available hardware that eliminates the need for either off-line or on-line solid phase extraction. Centrifugation followed by the direct injection of 1,800 µL was used for the quantification of illicit drugs,...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Aurea C. Chiaia Hernandez for the degree of Master in Science in

A method of analysis for tritium as hydrogen gas

Creator:: Smith, William Alton, 1921-
Resource Type:: Masters Thesis
Full Text:: A Method of Analysis for Tritum as Hydrogen Gas A METHOD

Purification of cyclotron-produced 89Zr for its use in diagnostic radiopharmaceutical labeling

Creator:: Knaus, Clinton W.
Abstract:: Production of 89Zr serves as a crucial preliminary step for exploring Zr-chelates, determining their stability constants, and advancing radiolabeling methodologies for monoclonal antibody based theranostics. 89Zr is typically produced by the irradiation of natural yttrium targets, a process extensively documented in scientific literature. Two primary methods are employed: the 89Y(p,n)89Zr...
Resource Type:: Capstone Project
Full Text:: agent for labeling antibodies with Zr-89. International Journal of Radiation Applications and

Porous metal-organic materials for gas capture

Creator:: Rookard, Tanner Daniel
Abstract:: Metal-organic polyhedra (MOPs) are discrete molecules comprised of a metal and interconnecting ligands. The resulting MOP structures are porous cages, and to date, they have shown great promise toward gas capture. Ammonia is a hazardous gas that is produced in enormous quantities for use in fertilizers. In this talk, I...
Resource Type:: Capstone Project
Full Text:: materials and methods from an electrochemical viewpoint. Journal of Energy Storage 2019, 23, 234-249. 4

A critical comparison of methods for the determination of phytoplankton chlorophyll

Creator:: Salinas, John T.
Abstract:: The concentration of chlorophyll in natural bodies of water is commonly determined as a means to rapidly estimate the phytoplankton biomass. The literature gives numerous warnings, however, as to the problems involved with accurately determining chlorophyll concentrations. The author's work at Crater Lake, Oregon enticed him to explore critically the...
Resource Type:: Masters Thesis
Full Text:: , the absorbed energy can be used for photosynthesis or fluorescence. Thus the fluorescence yield of

Analytical methods for the study of migration of chloride ions in reinforced concrete under cathodic protection

Creator:: Orlova, Nadejda V.
Abstract:: The migration of chloride ions in concrete with steel reinforcement under cathodic protection was investigated. Mortar blocks (15 cm x 15 cm x 17 cm) of various composition (water to cement ratio, chloride ion content) were cast with an iron mesh cathode embedded along one face and a thermally sprayed...
Resource Type:: Masters Thesis
Full Text:: Analytical Methods for the Study of Migration of Chloride Ions

A method for investigation of selective adsorption from binary vapor mixtures

Creator:: Stoner, John Thomas
Abstract:: An apparatus and procedure are described for investigating selective adsorption from a binary vapor mixture as a function of pressure. The technique measures both total mass adsorption and adsorbed-phase composition. Development of the method is outlined. Possible sources of error are analyzed and are found to be either nonexistent or...
Resource Type:: Masters Thesis
Full Text:: A method for investigation of selective adsorption from

ScholarsArchive@OSU

Investigation of the relationships between laser energy and vaporized target material, continuum intensity, and plume energy in laser plume spectroscopy

Heats of immersion and swelling of quaternary ammonium complexes of montmorillonites

CO₂ capture from wet flue gas using a water-stable and cost-effective metal-organic framework

Large volume (1,800 µL) injection HPLC/MS/MS for the quantitative determination of illicit drugs and human urinary biomarkers in municipal wastewater

A method of analysis for tritium as hydrogen gas

Purification of cyclotron-produced 89Zr for its use in diagnostic radiopharmaceutical labeling

Porous metal-organic materials for gas capture

A critical comparison of methods for the determination of phytoplankton chlorophyll

Analytical methods for the study of migration of chloride ions in reinforced concrete under cathodic protection

A method for investigation of selective adsorption from binary vapor mixtures

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