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Co And Cr Adsorption On Maghemite, Quartz, And Maghemite-Quartz Mixtures, Amy Troy
Co And Cr Adsorption On Maghemite, Quartz, And Maghemite-Quartz Mixtures, Amy Troy
Honors Theses
In aquifers and other natural systems, single mineral systems are rare. Solids are commonly heterogeneous, containing multiple minerals, and mineral interactions are expected. Mineral interactions such as formation of coatings and physical blocking of adsorption sites have the potential to significantly change the adsorption of ions onto solids. To investigate such interactions, batch experiments using Co(II) or Cr(VI) were conducted to compare adsorption edges of these sorbates on pure and mixed mineral systems. Specifically, sorption of 10-5 or 10-6 M Co(II) and Cr(VI) was measured as a function of pH, with a background electrolyte concentration of 0.01 M …