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jmso

Journal of Multiple Sclerosis

ISSN - 2376-0389
NLM - 101654564

Nmr

NMR is an abbreviation for Nuclear Magnetic Resonance. An NMR instrument allows the molecular structure of a material to be analyzed by observing and measuring the interaction of nuclear spins when placed in a powerful magnetic field. Nuclear Magnetic Resonance (NMR) spectroscopy is an analytical chemistry technique used in quality control and reserach for determining the content and purity of a sample as well as its molecular structure. For example, NMR can quantitatively analyze mixtures containing known compounds. Therefore, a NMR spectrometer, uses the above principle, generate a constant external magnetic field onto the test sample, and impose a radio frequency energy on it, via a electric coil to detect the frequency of the nucleus spin precession (measured the electrical signals of the magnetic field, and by FFT, one can get. Nuclear Magnetic Resonance (NMR) Spectroscopy is one of the most useful analytical techniques for determining the structure of an organic compound. There are two main types of NMR, 1H-NMR (Proton NMR) and 13C-NMR (Carbon NMR). NMR is based on the fact that the nuclei of atoms have a quantized property called spin.
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