The gyromagnetic ratioIn NMR or ESR, the ratio of the resonant frequency to magnetic flux density. Varies from one nucleus to the... More of the sampleThe NMR sample is the material placed in the magnetic field, whose proton spin resonates when an RF field of... More material is the fundamental physical constant that underlies NMRNuclear Magnetic Resonance. A resonance phenomenon seen when you irradiate a sample in a magnetic field with an RF field.... More magnetometry (see our article on NMR and EPR Technology). Therefore, if you want to know exactly how the measurements of our NMRNuclear Magnetic Resonance. A resonance phenomenon seen when you irradiate a sample in a magnetic field with an RF field.... More magnetometers relate back to international metrological standards, you need to know what gyromagnetic ratioIn NMR or ESR, the ratio of the resonant frequency to magnetic flux density. Varies from one nucleus to the... More is built into our instruments, and where those values came from. Here’s the story.