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Calcite recrystallization at equilibrium as influenced by initial growth rate and pH
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Juarez, Karen. Calcite recrystallization at equilibrium as influenced by initial growth rate and pH. Retrieved from https://doi.org/doi:10.7282/t3-yy2c-ad07

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TitleCalcite recrystallization at equilibrium as influenced by initial growth rate and pH
NameJuarez, Karen (author); Rouff, Ashaki A (chair); Elzinga, Evert J (co-chair); Ntarlagiannis, Dimitrios (internal member); Rutgers University; Graduate School - Newark
Date Created2020
Other Date2020-05 (degree)
SubjectEnvironmental Geology
Extent1 online resource (vii, 64 pages)
DescriptionThe mineral calcite was evaluated for recrystallization, a process known to change the location of ions in the mineral lattice without apparent change in mineral chemistry. Calcite lattice reconfiguration is cause for concern because it is a ubiquitous mineral with considerable reactivity that plays an important role in contaminant uptake and possible release. The intrinsic factor, crystal growth, and extrinsic factor, pH, were selected as possible driving forces for calcite recrystallization. Calcite growth experiments were conducted using a dual syringe pump technique. Geochemical analysis revealed calcite growth to be affected by syringe pump rate, a variable that showed no correlation with surface roughness. In order to trace recrystallization of laboratory grown calcite, an ion exchange technique with 45Ca radioisotope and a separate 40Ca stable isotope concentration analysis were used during resuspension batch experiments. There was no evident change in any of the radioisotope tracer experiments, indicating calcite stability. Additionally, 40Ca stable isotope concentration measurements support the same idea of calcite stability and its ability to maintain dynamic equilibrium.
NoteM.S.
NoteIncludes bibliographical references
Genretheses, ETD graduate
Persistent URLhttps://doi.org/doi:10.7282/t3-yy2c-ad07
LanguageEnglish
CollectionGraduate School - Newark Electronic Theses and Dissertations
Organization NameRutgers, The State University of New Jersey
RightsThe author owns the copyright to this work.
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