Quote:
Originally Posted by Carl
Since I was addressing NMR and not mechanical vibration, is it possible NMR frequencies are altered by the molecular/lattice structure of the atoms? Maybe. But as you said, "it is highly unlikely anybody could detect this resonance outside an extremely strong electromagnetic field."
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Yes, I consider that all carbon has a tendency to create covalent bonds with itself and often with other elements. What I wonder is if the covalent bonding among the atoms of an all carbon substance would show the same NMR regardless of what all carbon substance is being tested, or if the variations in structure of the lattice would cause the frequency to be noticeably altered. It was my understanding that the NMR is dependent partly on the chemical bonding structure. But I am not certain, since you explained that water shows the resonance frequency of hydrogen. It makes me wonder if NMR testing machines are able to tell the difference between diamond and charcoal or graphite.
But as you said, I don't see how variations in NMR resonance of carbon would be relevant to MFD, or LRLs in general, as neither of these operate in a sufficient magnetic field, and are operating at the wrong frequencies based on what the manufacturers told us.
Best wishes,
J_P