- Published: Friday, 28 February 2020 17:22
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Low-field NMR devices are very poorly represented on the world market. The fact is that in low magnetic fields, NMR registration requires special techniques, including high signal amplification. Due to technical difficulties, the development of NMR went the way of increasing magnetic fields. Today, a good amplifier fits in the microcircuit case, so NMR in weak fields is experiencing a rebirth. In the last decade, there has been a surge in scientific activity on NMR in weak fields. Interesting features of nuclear magnetic relaxation in low fields were discovered, and interesting NMR spectra of liquids were obtained. A useful feature of the method is also the ability to detect a signal from liquids in closed aluminum containers, which can be used by special services in inspection systems.
The market for complex NMR spectrometers is well developed by several large foreign companies, but most imported NMR spectrometers and tomographs cost a lot of money (hundreds of thousands and millions of Euros) because of the complex superconducting magnetic systems that make up their design. Thus, only large enterprises and organizations have access to qualitative analysis. Small business owners have to be content with a primitive analysis of samples or spend time and money on third-party analysis of their samples.
The low-floor NMR complex presented in this project can have a wide range of applications. By mid-2019, we plan to prepare a simple miniature NMR device for educational purposes based on an already working layout. With this device, students will be able to acquire basic skills in working with modern NMR equipment and will gain valuable knowledge on the study of materials.