Nuclear magnetic resonance spectroscopy, commonly known as NMR spectroscopy or magnetic resonance spectroscopy, is a spectroscopic technique based on re-orientation of atomic nuclei with non-zero nucl
A 900 MHz NMR instrument with a 21.1 T magnet at HWB-NMR, Birmingham, UK
Cutaway of an NMR magnet that shows its structure: radiation shield, vacuum chamber, liquid-nitrogen vessel, liquid-helium vessel, and cryogenic shims.
The NMR sample is prepared in a thin-walled glass tube – an NMR tube.
1H NMR spectrum of menthol with chemical shift in ppm on the horizontal axis. Each magnetically inequivalent proton has a characteristic shift, and couplings to other protons appear as splitting of the peaks into multiplets: e.g. peak a, because of the three magnetically equivalent protons in methyl group a, couple to one adjacent proton (e) and thus appears as a doublet.
Isidor Rabi
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Israel Isaac "Isidor" Rabi was an American physicist who received the Nobel Prize in Physics in 1944 "for his resonance method for recording the magnetic properties of atomic nuclei." He was also one
Nuclear magnetic resonance spectroscopy
…result in a better sensitivity and higher resolution of the peaks, and it is preferred for research purposes. Credit for the discovery of NMR goes to Isidor Isaac Rabi, who received the Nobel Prize in Physics in 1944. The Purcell group at Harvard University and the Bloch group at Stanford University independently…
Rabi in 1944
Rabi (right) with fellow Nobel Prize laureates Ernest O. Lawrence and Enrico Fermi
Anode block of an original cavity magnetron, showing the resonant cavities, developed by John Randall and Harry Boot at the University of Birmingham
Rabi, at left, in the Rad Lab Steering Committee