Electricity: measuring and testing – Particle precession resonance – Using a nuclear resonance spectrometer system
Patent
1988-11-30
1989-12-05
Tokar, Michael J.
Electricity: measuring and testing
Particle precession resonance
Using a nuclear resonance spectrometer system
324300, G01R 3320
Patent
active
048855499
ABSTRACT:
A marker substance is introduced into the sample volume undergoing NMR analysis. The frequency spectrum of the NMR signal is analyzed to isolate the marker substance frequency peaks. Comparison of marker substance frequency peak phase and amplitude between NMR experiments provides information from which a correction for phase and amplitude variations due to system instability can be made.
REFERENCES:
patent: 3999118 (1976-12-01), Hoult
patent: 4703267 (1987-10-01), Maudsley
patent: 4703270 (1987-10-01), Hall et al.
patent: 4746860 (1988-05-01), Satoh
Morris Paul K.
Thrift Robert L.
General Electric Company
Tokar Michael J.
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