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This run features an aqueous solution that is approximately 15.5 wt.% Na2SO4. Initially, the pressure was about 250 MPa. In this run, we attempted to see over what range of pressures a particular phase would prove stable. After getting a high-density ice phase, we gradually increased the pressure to about 270 MPa, going through several freeze/thaw cycles on the way, and then decreased the pressure to about 230 MPa, before finally returning to 250 MPa to end the run.
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