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In Situ IR-Titration System for Study of scCO 2 -Mineral Reactions

In Situ IR-Titration System for Study of scCO 2 -Mineral Reactions John S. Loring, Chris J. Thompson, Paul F. Martin, Zheming Wang, Kevin M. Rosso, and Andrew R. Felmy. Transmission IR optics 1 mm pathlength For measuring water concentrations in scCO 2 Single-reflection ATR optics

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In Situ IR-Titration System for Study of scCO 2 -Mineral Reactions

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  1. In Situ IR-Titration System for Study of scCO2-Mineral Reactions John S. Loring, Chris J. Thompson, Paul F. Martin, Zheming Wang, Kevin M. Rosso, and Andrew R. Felmy • Transmission IR optics • 1 mm pathlength • For measuring water concentrations in scCO2 • Single-reflection ATR optics • Roughly 3 to 10 µm effective pathlength • Coated with mineral overlayer • For measuring spectra of reacted minerals • Quantitative titration of water • Either 1 or 10 µL additions • 53 mL Vessel • Jacketed for temperature control • Thermocouple for temperature monitoring • Pressure transducer for pressure monitoring • Viewport with quartz window • Stirring • Fully automated system • Valves and spectrometer controlled by custom software • Temperature and pressure logging

  2. In Situ IR-Titration System for Study of scCO2-Mineral Reactions John S. Loring, Chris J. Thompson, Paul F. Martin, Zheming Wang, Kevin M. Rosso, and Andrew R. Felmy

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