ASU Electronic Theses and Dissertations
- 2 English
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Hydrothermal systems are not the typical environments in which organic chemistry is studied. However the organic reactions happening there are increasingly implicated in non-trivial geochemical processes. For example, the origins of life, the formation and degradation of petroleum, and feeding the deep biosphere. These are environments where water is heated and pressurized until it has a polarity more typical of an organic solvent and an increased dissociation constant that decreases its pH. In addition, these environments host many transition metal oxide and sulfide minerals that are not inert bystanders to the chemistry happening around them. This thesis takes from the …
- Shipp, Jessie Anita, Hartnett, Hilairy H., Gould, Ian R., et al.
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Carboxylic acids are an abundant and reactive species present throughout our solar system. The reactions of carboxylic acids can shape the organic abundances within oil field brines, carbonaceous chondrites, and different ranks of coal. I have performed hydrothermal experiments with model aromatic carboxylic acids in the presences of different oxide minerals to investigate the reactions available to carboxylic acids in the presence of mineral surfaces. By performing experiments containing one organic compound and one mineral surface, I can begin to unravel the different reactions that can occur in the presence of different minerals. I performed experiments with phenylacetic acid (PAA), …
- Johnson, Kristin Nicole, Shock, Everett, Hartnett, Hilairy, et al.
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