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Thesis - University Access Only
Master of Science (MS)
Department / School
Chemistry and Biochemistry
The Big Sioux Aquifer is a shallow groundwater system that underlies most of eastern South Dakota. Recent studies of the Big Sioux Aquifer have shown that DOC concentrations vary considerably within the aquifer with high DOC concentrations located close to major cities. Samples from high and low DOC concentration wells were isolated by reverse osmosis (RP) and deashed by zeotrophic distillation. The organic matter was then characterized by elemental analysis, FTIF, 13C NMR, pyrolysis-mass spectrometry, and electrospray ionization mass spectrometry. The results of the characterization techniques found that while there are differences between the organic matter isolated from the various wells, these differences are not dependent on the concentration of DOC found in the wells.
Library of Congress Subject Headings
Groundwater -- South Dakota -- Big Sioux River Aquifer -- Quality
Hendrix, Karyn E., "Characterization of Dissolved Organic Carbon Isolated from the Big Sioux Aquifer, Eastern South Dakota" (1997). Electronic Theses and Dissertations. 5174.