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Continuous Wave NMR

Continuous Wave NMR. Apply monchromatic radiation to the sample at many frequencies looking for the absorption maxima. . Continuous Wave NMR. Why is CW NMR almost never used except as an instructional tool?Signal-to-noise ratio and speed of data acquisitionNMR is insensitive.Any noise- thermal, electrical, etc. is a problem for an NMR spectrum. Signal averaging.Acquire 2 spectra instead of one. (so nt = 2).-Signal doubles, noise increases as sq. root.

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Continuous Wave NMR

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