A novel high-pressure, high-resolution NMR probe is described which operates at a frequency of 500 MHz. The design features an alternative RF coil (8 mm sample tube) for high frequency, sensitivity, probe power, and resolution (< 3.0 ุ 10 ุ9 ). The probe is capable of pressures to at least 5 kbar ov
Achievement of a 920-MHz High Resolution NMR
โ Scribed by Kenjiro Hashi; Tadashi Shimizu; Atsushi Goto; Tsukasa Kiyoshi; Shinji Matsumoto; Hitoshi Wada; Teruaki Fujito; Ken-ichi Hasegawa; Masatoshi Yoshikawa; Takashi Miki; Satoshi Ito; Mamoru Hamada; Seiji Hayashi
- Publisher
- Elsevier Science
- Year
- 2002
- Tongue
- English
- Weight
- 127 KB
- Volume
- 156
- Category
- Article
- ISSN
- 1090-7807
No coin nor oath required. For personal study only.
โฆ Synopsis
We have developed a 920-MHz NMR system and performed the proton NMR measurement of H(2)O and ethylbenzene using the superconducting magnet operating at 21.6 T (920 MHz for proton), which is the highest field produced by a superconducting NMR magnet in the persistent mode. From the NMR measurements, it is verified that both homogeneity and stability of the magnet have a specification sufficient for a high resolution NMR.
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A few scientists with unorthodox ideas can change an entire field of research. This brief historical review of the evolution of high-resolution nuclear magnetic ( ) resonance NMR spectroscopy ventures to highlight the names of a small number of key pioneers who set the subject moving in new directio