We report an apparatus for in-situ nuclear magnetic resonance (NMR) studies of chemical reactions of dissolved CO with minerals (rock or powder) under continuous flow. The operating range of the apparatus is 18-150°C and 1-140bar. A flow pump is used to circulate a CO-water solution, with a heated mixing vessel where CO gas equilibrates with a water solution. The NMR probe is built around a strong zirconia ceramic vessel, with o-ring sealed connections; the mineral is contained inside. The horizontal orientation of the zirconia vessels allows use of a radio frequency (rf) solenoid for improved spin sensitivity.
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| http://dx.doi.org/10.1016/j.jmr.2017.08.005 | DOI Listing |
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