Fig. 5 1H LF-NMR relaxation spectra of LSE fresh produced (T-0h, a and b) and after 96 hours of thermal oxidation at 55 oC (T-96h, c and d).
Table 3: 1H LF-NMR energy relaxation time spectra of LSE fresh produced (T 0h) and after 96 hours of thermal oxidation at 55 oC (T 96h) 2D T1-T2 peaks values and proposed 1H TD assignment.