Geofluids / 2019 / Article / Fig 4

Research Article

High-Field (3.4 T) ENDOR Investigation of Asphaltenes in Native Oil and Vanadyl Complexes by Asphaltene Adsorption on Alumina Surface

Figure 4

W-band spectra of the investigated samples in ESE mode at . Position of FR line and VP spectra are marked by arrows. Values of the magnetic fields and in which 1H ENDOR spectra were registered are shown.