Method for adjusting the magic angle in NMR experiments

Details Method for adjusting the magic angle in NMR experiments Method for adjusting the magic angle in NMR experiments

1980-10-31

1982-09-28

Tokar, Michael J.

Electricity: measuring and testing

Particle precession resonance

Spectrometer components

324311, G01N 2700

Patent

active

043520669

ABSTRACT:
A method for adjusting the orientation of the rotation axis for a sample in a nuclear magnetic resonance (NMR) experiment includes using a field gradient in a specific direction with respect to the external magnetic field of the NMR experiment to establish a calibrated reference direction with which the rotation axis may be aligned. Preferably, the magnetic field gradient is at an angle of 54.7.degree.. A preferred embodiment of this invention includes automatic control steps in the method.

REFERENCES:
patent: 4201941 (1980-05-01), Fyfe
patent: 4254373 (1981-03-01), Lippmaa et al.
patent: 4275350 (1981-06-01), Hill et al.
J. Schaefer and E. O. Stejskal, JACS 98 (1976), pp. 1031.

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