Figure 6. 1H NMR spectrum of a 1:4 mixture of EtPr:EtBu, neat

From

Application of Quantitative Proton Nuclear Magnetic Resonance Spectroscopy for the Compositional Analysis of Short-Chain Fatty Acid Ethyl Ester Mixtures

Ronald P. D'Amelia, Masashi W. Kimura, William F. Nirode

World Journal of Chemical Education. 2021, 9(1), 8-13 doi:10.12691/wjce-9-1-2