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Featured Research Projects

The following is a running collection of ICP-MS affiliated research projects highlighting significant findings.



Ion Concentrations in Reverse Osmosis Membranes

Linda Passaniti (MS Candidate) Ion Concentrations in Sulfonated poly(arylene ether sulfone) (BPS) Reverse Osmosis Membranes Due to the presence of sulfonate groups, BPS acts as an ion exchange membrane, allowing it to separate solute from solvent in part through the preferential transport of cations and near exclusion of anions.  ICP-MS data are used to determine…

Common Patterns of Rare-Earth-Element Distribution in Garnet

William Carlson Group Stephanie J. Moore – UT Austin Understanding of rare earth element (REE) uptake and distribution in metamorphic garnets is essential to sound interpretation of petrologic and geochronologic analyses relying on REEs.  This study examines garnets in pelitic rocks from the Picuris Mountains, New Mexico and Passo del Sole, Switzerland and in a…

Laminar Scale Trace Element Variations in Neoproterozoic Cap Carbonates

Nathan Miller – UT Austin ACTIVE PROJECT:  Trace elements in highly laminated basal facies of Neoproterozoic cap carbonates from several well-studied global localities are being surveyed by LA-ICP-MS to evaluate preservation and formation mechanisms.  The popular conception of cap carbonates is that they form in response to the transfer of alkalinity from the atmosphere (build-up…

Speleothem Mg/Ca Growth Variations

Speleothem Mg/Ca Growth Variations

Weiming Feng Research (Banner Spelothem Group) This slabbed stalagmite sample from West Cave (central TX) was analyzed by LA-ICP-MS in five separate scans (E-A). The analytical surface differs slightly among the four sections but all line scans can be reliably correlated between the sections (as shown by the dashed black correlation lines). All line scans…

Geochemistry of El Tatio Geyser Field Waters

Geochemistry of El Tatio Geyser Field Waters

Phil Bennett Group El Tatio geyser field is a unique hydrothermal field in the Atacama Desert region of Chile.  Microbial mats inhabit many of the hot springs as well as run-off from geyser features. In addition to surviving in extremely hot (up to 85 degree Celsius) waters, these microbial communities survive periods of dessication between…

Metals in Rooftop Harvested Rainwater

Metals in Rooftop Harvested Rainwater

Carolina B. Mendez, Brigit R. Afshar, Kerry Kinney, Michael E. Barrett, Mary Jo Kirisits Department of Civil, Architectural, and Environmental Engineering, The University of Texas at Austin Rainwater harvesting systems are widely being considered to meet current and future water demands. To insure the potability of rainwater harvesting systems, roofing materials need to be carefully…

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Site Last Modified: June 2, 2021