Determination of fluid properties at high pressures and temperatures

Speciation and solubility in aqueous fluids and fluid-melt partitioning determined using Raman spectroscopy

Fig.: Sn(IV) speciation in an experiment with cassiterite (SnO2) and 1.63 molal HCl solution determined in situ using Raman spectroscopy (Schmidt 2017).

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Dr. Christian Schmidt

Complexation of heavy elements, solubility in aqueous fluids, fluid-melt partitioning, and kinetics of mineral/melt-fluid interaction...

Complexation of heavy elements, solubility in aqueous fluids, fluid-melt partitioning, and kinetics of mineral/melt-fluid interaction determined from synchrotron-radiation absorption and fluorescence spectroscopy and modified HDAC

Fig.: In situ XRF/XAS experiments at synchrotron radiation facilities (example: microfocus beamline ID22, European Synchrotron Radiation Facility, Grenoble).

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Dr. Christian Schmidt

Crystal growth in pegmatite melts

Fig.: Pegmatitic texture developed by crystallization of a haplogranitic melt with added Li2O, B2O3 and H2O after 113 hours at 600°C, 180 MPa and 72 hours at 550°C, 150 MPa in the sample chamber of a hydrothermal diamond-anvil cell.

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Dr. Christian Schmidt

Principal investigator

Prof. Dr. M. L. Sirbescu, Central Michigan University