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Nuclear Magnetic Resonance (NMR)

Nuclear magnetic resonance is a technique used to identify or to characterize a chemical or mixture of chemicals.  In this test, a sample is exposed to a strong magnetic field and a weak, oscillating magnetic field.  The oscillating field causes the atoms within the sample to produce an electromagnetic signal that is characteristic to the atoms’ nuclei.  Because this signal shifts in response to bonds with neighboring atoms, the molecular structure of a sample can be determined from the resulting NMR spectrum.   

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