NMR Chemical Shifts of Carbon Atoms in the Light and Heavy Oils
Received Date: Nov 03, 2022 / Published Date: Nov 29, 2022
Abstract
With the help of high-resolution 13 C nuclear magnetic resonance (NMR) spectroscopy, the structural-group features of light and heavy oils were established. The molar fractions of primary, secondary, quaternary, tertiary, and aromatic groups, the aromatic factor, and the average length of the hydrocarbon chain of aliphatic hydrocarbons in these oil samples were determined. The 13 C attached proton test (APT) NMR experiments made it possible to carry out a detailed assignment of the 13 C NMR signals in light and heavy oil samples to compare them. Structural differences between light and heavy oil samples were fixed by means of a detailed study of their 13 C NMR spectra.
Citation: Varfolomeev MA (2022) NMR Chemical Shifts of Carbon Atoms in the Light and Heavy Oils. Oil Gas Res 8: 270. Doi: 10.4172/2472-0518.1000270
Copyright: © 2022 Varfolomeev MA. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
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