Abstract

Protons of various simple compounds (carbon-l3-enriched sodium formate or methyl iodide, or natural-abundance p-dioxane or methylene bromide) were subjected to a continuous radiofrequency field at selected frequencies and amplitude while the carbon-13 spectrum was being observed. Some anomalies between calculated and observed spectra were found. On the basis of the spectra obtained, recommendations are made as to the selection and measurement of radiofrequency amplitude (decoupling power) for applications involving the correlation of proton and carbon-13 spectra for a compound.

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