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# Magnetic Resonance Spectroscopies

• Page ID
1788
• The interaction of an externally applied magnetic field and spins (either nuclear or electron).

Thumbnail: A diagram of an aromatic ring current. $$B_0$$ is the applied magnetic field, the red arrow indicating its direction. The orange ring shows the direction of the ring current, and the purple rings show the direction of the induced magnetic field. Image used with permission (Public Domain; Benjah-bmm27).