Single-scan volume-selective editing of NMR spectra with the aid of a split-pathway technique for homonuclear applications.

An RF and field-gradient pulse sequence that permits the recording of localized and edited proton spectra is presented. The editing principle is a technique of splitting and recombining the coherence pathways. While the recombination of the pathways of uncoupled spins is destructive, that of coupled spins can be adjusted to be constructive.