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Upfield

Last updated

Feb 28, 2022
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- Unsymmetrical Triple Bond
- Uronic Acid

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The words upfield and downfield are used to compare chemical shifts of nuclei in molecules qualitatively.

eg:

The chemical shift of H_b is higher than that of H_a. Thus, H_b appears downfield from H_a, or H_a appears upfield from H_b.

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