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Spectroscopic studies of matrix isolated molecules : I. The fluorosulfate radical : II. Cis-3, 4-dichlorocyclobutene : III. Cyclobutadiene

Creator:: Suzuki, Edward Masaru
Resource Type:: Dissertation
Full Text:: ) presented on August 4, 1975 Title: Spectroscopic Studies of Matrix Isolated Molecules: I. The

Thermodynamic properties of the chloride and fluoride salts of zirconium and hafnium dissolved in molten salt solvents

Creator:: Megy, Joseph Allen
Resource Type:: Dissertation
Full Text:: of Philosophy June 1975 APPROVED: Redacted for privacy Associate Professor of Chemistry in

Studies of the biosynthesis of Sarubicin A

Creator:: Eisenberg, Rodney L.
Abstract:: Early studies on the biosynthesis of Sarubicin A, 1, had suggested the intermediacy of the novel aromatic amino acid 6-hydroxyanthranilic acid, 17. To investigate the biosynthetic steps beyond 17, [¹³C-¹⁵N carboxamide] 6-hydroxyanthranilamide, 27a, was synthesized, and fed to fermentations of Streptomyces helicus. Incorporation of 27a into 1 provided suggestive evidence...
Resource Type:: Dissertation
Full Text:: of the Thesis of Rodney L. Eisenberg for the degree of Doctor of Philosophy in Chemistry presented

The synthesis and electrocyclization of some linear and cross-conjugated hexatrienes

Creator:: Hilton, Charles Bruce
Abstract:: As part of the continuing investigation of the thermal cis- 1, 3, 5-hexatriene to 1,3-cyclohexadiene rearrangement, four new trienes and a cross-conjugated pentaene have been prepared and their thermal reactions studied. A new route to the synthesis of highly substituted trienes has been developed. The synthesis of three of these...
Resource Type:: Dissertation
Full Text:: polyenes was described. Electrocyclization of trans, cis, trans-l-phenyl -1,3,5-heptatriene 74 (k= 2.1 X

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:: detection limit (4 ng/L in an extract and 0.04 ng/L chlorophyll-a in lake water with a concentration factor

Sample entraining multi-electrode plasma sources for atomic emission spectroscopy

Creator:: Lee, Gae Ho
Abstract:: Plasma sources with multiple electrodes have been developed and characterized in this research for atomic emission spectroscopy. Multi-electrode plasma sources use electrodes to shape the plasma in order to continuously entrain a sample stream in the center of hot plasma, in a manner similar to an inductively coupled plasma (ICP)...
Resource Type:: Dissertation
Full Text:: than 2% (relative standard deviation). A total of less than 6 L/min of argon gas is required to

Design, construction, and characterization of a six-electrode, direct current, variable length plasma source for atomic emmission spectroscopy

Creator:: Shields, James Phillip
Abstract:: The variable length, six-electrode plasma source for atomic emission spectroscopy described here is operated from three compact, simple, and inexpensive direct current power supplies. The vertical arcs formed between the three electrode pairs completely entrain the sample and are typically operated at 40 V and 20 A. Three concentric quartz...
Resource Type:: Dissertation
Full Text:: sample, to the plasma. The argon consumption rate of typically 7.4 L/min is comparable to or less than

The Role of Materials Chemistry in Designing Advanced Color Inorganic Pigments

Creator:: Medina, Elena A.
Abstract:: The results of the research presented in this work are related to synthesis and investigations of novel color inorganic pigments having various structures and shades. Inorganic pigments play a major role in contemporary life. They are used in paints, rubber, plastic, cosmetics etc. Searching for new, stable, environmentally benign and...
Resource Type:: Dissertation
Full Text:: , color characterization (L*a*b* parameters), optical (UV-VIS diffuse reflectance and near- IR (NIR

A mechanistic study of the distribution of amphiphilic organic compounds between water and organic sorbents

Creator:: Zhang, Wanjia
Resource Type:: Dissertation
Full Text:: cation mol L -1 ms mol L -1 a molar mean salt activity amsm molal mean salt activity mol kg-1 ax

Structural and magnetic investigation of In₂Fe₂₋ₓGaₓCuO₇

Creator:: Grajczyk, Rosa, Chan, Adam, Ramirez, A. P., and Subramanian, M. A.
Abstract:: The solid solution of In₂Fe₂₋ₓGaₓCuO₇ (space group P6₃/mmc) was synthesized and investigated through X-ray diffraction and magnetic susceptibility studies. Limited changes to the lattice parameters were observed as a result of the similar ionic radii for Fe³⁺ and Ga³⁺ in the trigonal bipyramidal (TBP) crystallographic site. An increase in the...
Resource Type:: Article
Full Text:: , T. Katsura, J. Solid State Chem. 15 (1975) 151–157. [3] N. Kimizuka, T. Katsura, J. Solid State

ScholarsArchive@OSU

Spectroscopic studies of matrix isolated molecules : I. The fluorosulfate radical : II. Cis-3, 4-dichlorocyclobutene : III. Cyclobutadiene

Thermodynamic properties of the chloride and fluoride salts of zirconium and hafnium dissolved in molten salt solvents

Studies of the biosynthesis of Sarubicin A

The synthesis and electrocyclization of some linear and cross-conjugated hexatrienes

A critical comparison of methods for the determination of phytoplankton chlorophyll

Sample entraining multi-electrode plasma sources for atomic emission spectroscopy

Design, construction, and characterization of a six-electrode, direct current, variable length plasma source for atomic emmission spectroscopy

The Role of Materials Chemistry in Designing Advanced Color Inorganic Pigments

A mechanistic study of the distribution of amphiphilic organic compounds between water and organic sorbents

Structural and magnetic investigation of In₂Fe₂₋ₓGaₓCuO₇

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