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Upfield

  • Page ID
    39892
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    The words upfield and downfield are used to compare chemical shifts of nuclei in molecules qualitatively.

    upfield.png

    eg:

    upfield2.png

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

    see also shielded nucleus


    This page titled Upfield is shared under a All Rights Reserved (used with permission) license and was authored, remixed, and/or curated by Gamini Gunawardena via source content that was edited to the style and standards of the LibreTexts platform.

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