Related Experiment Videos
High-pressure magnetic resonance imaging up to 40 MPa.
1Research Center for Carbon Recycling & Utilization, Tokyo Institute of Technology 2-12-1, O-okayama, Meguro-ku, Tokyo, Japan. hirai@mes.titech.ac.jp
Magnetic Resonance Imaging
|March 21, 2000
Summary
Researchers developed a novel high-pressure vessel for magnetic resonance imaging (MRI) studies. This non-magnetic apparatus allows in situ observation of chemical reactions and material properties under extreme conditions.
Area of Science:
- Materials Science
- Chemical Engineering
- Analytical Chemistry
Background:
- High-pressure environments are crucial for studying various chemical and physical processes.
- Observing these processes in situ using techniques like MRI presents significant engineering challenges.
Purpose of the Study:
- To design and test a novel high-pressure vessel compatible with commercial MRI equipment.
- To demonstrate the vessel's capability for in situ observation of phenomena under pressure.
Main Methods:
- A non-magnetic, high-pressure vessel (up to 40 MPa) with a 12.6 mm sample chamber was constructed.
- The vessel features external sample visibility and resistance to corrosive chemicals.
- In situ sample manipulation (translation and rotation) was incorporated.
Main Results:
- The apparatus was successfully tested at 20 MPa.
- The growth of carbon dioxide (CO(2)) clathrate-hydrate in a water droplet within liquid CO(2) was observed.
Conclusions:
- The developed high-pressure MRI vessel is a viable tool for studying phase transitions and reactions under pressure.
- This technology enables detailed in situ analysis of chemical processes previously difficult to observe.