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Magnets, Nuclear Magnetic Resonance

Definition : Magnets designed to be used with nuclear magnetic resonance (NMR) spectroscopy systems. NMR magnets are typically superconducting magnets capable of generating magnetic field strengths between 5 and 23 Tesla, which corresponds to proton NMR frequencies between 200 and 1,000 MHz. In order to function as superconductors, the wires of the electromagnet must be cooled to near absolute zero, and NMR magnets typically include multiple reservoirs (i.e., dewars) for cyrogens (e.g., liquid helium), which serve to cool the magnet wires. High-strength magnets may also incorporate shielding to limit the size of the area affected by the generated magnetic field.

Entry Terms : "NMR Magnets"

UMDC code : 36627

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