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The reaction between O-ions and F centers

Creator:: Staible, Thomas Fredrick
Abstract:: The photochemical reaction between O⁻ ions and F centers was investigated. The activation energy was determined by the Arrhenius law to be 0.10 + 0.04 eV for temperature below 180°K. The diffusion of alpha centers towards the oxide ion was eliminated as the rate limiting step and the low trapping...
Resource Type:: Masters Thesis
Full Text:: photochemistry of oxygen-containing impurities trapped in alkali halide crystals, The oxide ion was first

The photodecomposition of t-butyl bicyclo [7.1.0] decane-2-percarboxylate

Creator:: McRitchie, Donna Louise
Abstract:: This paper describes the synthesis of t-butyl bicyclo[7.1.0] decane-2-percarboxylate and its photolytic decomposition. The title compound was found to undergo simple homolytic cleavage when exposed to light of 2537 A; producing the cyclodecyl radical, carbon dioxide, and t-butoxy radical. The largest percentage of products arose from an intimate radical pair...
Resource Type:: Masters Thesis

The photochemistry of some polyhalobenzenes

Creator:: Huang, Yo-hsin
Resource Type:: Masters Thesis
Full Text:: The photochemistry of some polyhalobenzenes AN ABSTRACT

Fungal growth responses to a photooxidized sodium ligninsulfonate

Creator:: Rockhill, Robert Clayton
Abstract:: Sodium ligninsulfonate, a water soluble wide-range molecular weight polymeric by-product of the paper pulping industry, is added as waste effluent to water ways or burned, causing extreme pollution. The polymer is highly resistant to biodegradation. Therefore, modification of the structure to a more readily biodegradable form would be desirable, to...
Resource Type:: Masters Thesis
Full Text:: understanding of wavelength-molecular inter- actions inherent in photochemistry. The two basic laws of

Transient optical absorptivity of nitrogen dioxide following pulsed illumination

Creator:: Murray, John Sutherland
Abstract:: A knowledge of the time rates for intermediate reactions during the photolysis of nitrogen dioxide enables one to deduce the possible intermediate reactions which are responsible. An experiment has been devised and constructed which will measure the time rates for photochemical reactions occurring in ranges of one micro second to...
Resource Type:: Masters Thesis

The photochemistry of polychlorobenzenes in micellar media

Creator:: Lee, Youn-Sik
Abstract:: Photolysis of pentachlorobenzene was carried out in the absence of an electron donor species at 254 nm in cetyltrimethylammonium bromide surfactant solution. The results are consistent with the excited triplet undergoing homolytic cleavage of a C-Cl bond in competition with formation of the excimer, in which the radical anion undergoes...
Resource Type:: Masters Thesis
Full Text:: The photochemistry of polychlorobenzenes in micellar

Investigations into the mechanism of the photodechlorination of pentachlorobenzene

Creator:: Schmidt, Robert Dean
Abstract:: Several experiments were undertaken to investigate the mechanism of photodechlorination of pentachlorobenzene. The thermal methoxydechlorination reaction of pentachlorobenzene was studied. In DMSO at 50 °C sodium methoxide reacts smoothly with pentachlorobenzene to give three tetrachloroanisole isomers. A second-order kinetic plot for this reaction is linear to high precision, indicating that...
Resource Type:: Masters Thesis
Full Text:: Radicals Photochemistry of Pentachlorobenzene in Micelles EXPERIMENTAL SECTION REFERENCES APPENDICES

Photochemical degradation of sediment organic matter : effect on Zn-65 release

Creator:: Lenaers, William Michael
Abstract:: Columbia River sediment was irradiated with ultraviolet light to determine if organic material could be removed without altering the sorptive properties of the hydrous oxides of iron and manganese. A laboratory preparation of Zn-65 spiked hydrous ferric oxide was subjected to ultraviolet irradiation in order to assess the photochemical effect...
Resource Type:: Masters Thesis

Characteristics of photochemical production of carbon monoxide in seawater

Creator:: Redden, George Dean
Resource Type:: Masters Thesis
Full Text:: been proposed. At present, the field of marine photochemistry is poorly developed and few recorded

Photodechlorination of pentachlorobenzene in organo-clay

Creator:: Yoo, Hye-Dong
Resource Type:: Masters Thesis
Full Text:: Organo-Clay 5 1.4 Photochemistry of Pentachlorobenzene in Solution 7 1. 5 Photochemistry on Surface of

ScholarsArchive@OSU

The reaction between O-ions and F centers

The photodecomposition of t-butyl bicyclo [7.1.0] decane-2-percarboxylate

The photochemistry of some polyhalobenzenes

Fungal growth responses to a photooxidized sodium ligninsulfonate

Transient optical absorptivity of nitrogen dioxide following pulsed illumination

The photochemistry of polychlorobenzenes in micellar media

Investigations into the mechanism of the photodechlorination of pentachlorobenzene

Photochemical degradation of sediment organic matter : effect on Zn-65 release

Characteristics of photochemical production of carbon monoxide in seawater

Photodechlorination of pentachlorobenzene in organo-clay

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