Electricity: measuring and testing – Particle precession resonance – Using a nuclear resonance spectrometer system
Patent
1985-03-25
1987-07-21
Tokar, Michael J.
Electricity: measuring and testing
Particle precession resonance
Using a nuclear resonance spectrometer system
324308, G01R 3320
Patent
active
046821074
ABSTRACT:
In a method of operating a nuclear magnetic resonance (NMR) spectrometer in relation to a sample comprising two types of nuclei, a sequence of radiofrequency pulses and delay periods is applied using two different radiofrequency coils, one for each type of nucleus, each coil providing an inhomogeneous radiofrequency field, so that the two coils generate separate but overlapping sensitive volumes for each of the two types of nuclear species, whereby signal intensity is substantially limited to the overlap volume.
REFERENCES:
patent: 4045723 (1977-08-01), Ernst
patent: 4068161 (1978-01-01), Ernst
patent: 4238735 (1980-12-01), Muller
patent: 4443761 (1984-04-01), Levitt
patent: 4486709 (1984-12-01), Bendall
patent: 4521732 (1985-06-01), Pegg et al.
Bendall Max R.
Pegg David T.
Foster Frank H.
Tokar Michael J.
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