Definition
The right side of an NMR spectrum.
Explanation
The meaning is used to explain the chemical shifts of a nucleus in molecules according to the atoms present. The opposite is downfield, when it shift downward.
Upfield
In one sentence
The meaning is used to explain the chemical shifts of a nucleus in molecules according to the atoms present. The opposite is downfield, when it shift downward.
Terms used on this page
Every one of these links to a full definition with an example.