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13C NMR STUDIES OF COALS AND OIL SHALES
License(s):
Other (Public Domain)
The standard C-13 NMR techniques, including pulse Fourier transform (FT) approaches have not been generally useful for solid sample because of 1) the excessive line broadening due to dipole-dipole interactions between C-13 and H magnetic dipoles, 2) chemical shift anisotropies, and 3) long C-13 spin-lattice relaxation times. All of these problems are eliminated in liquids by the normal tumbling motions occurring randomly in the liquid state.
Additional Info
| Field |
Value |
| State |
active |
| Citation |
Victor J. Bartuska, Gary E. Maciel, Francis P. Miknis |
| Is NETL associated |
Yes |
| NETL Point of Contact |
Roy Long |
| NETL Point of Contact's Email |
Roy.long@netl.doe.gov |
| NETL program or project |
KMD |
| Publication Date |
1/1/1978 |
