Detection modes
Nuclear magnetic resonance

P2880 V4 Article

Detection modes
Nuclear magnetic resonance

Authors : Nicole PLATZER, Laurence DALLERY

Review date: January 10, 2024 | Lire en français

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3. Detection modes

The technique used initially was continuous-wave NMR. The B₁ field is then of very low intensity. Resonance is obtained by slowly varying B₀ at a constant B₁ frequency or conversely the B₁ frequency at a fixed B₀ field.

Pulse NMR is the current technique for obtaining all the information contained in the overall magnetization of a sample, even when dealing with low-sensitivity nuclei of low natural abundance, such as ¹³C (1.108%), ¹⁵N (0.37%), or low gyromagnetic ratio, such as ¹⁰³Rh $(γ_{103_{Rh}} / γ_{1_{H}} = 3,16 \cdot 10^{- 2})$ ....

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Detection modes

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page Basic NMR parameters

Relaxation mechanisms

Bibliography

(1) - MARTIN (M.T.) - CNRS-ICSN Gif/Yvette, communication personnelle.
(2) - SIZUN (C.) - CNRS-ICSN Gif/Yvette, communication personnelle.
(3) - SIZUN (C.) - CNRS-ICSN Gif/Yvette, communication personnelle.
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