A Nuclear Magnetic Resonance study: Implications for coal formation in the Witbank Coalfield, South Africa

Keyphrases

• 13C CPMAS NMR 25%
• Aerial Oxidation 25%
• Anatomical Structure 25%
• Aromatic Carbon 50%
• Aromatic Cluster 25%
• Aromatic Hydrocarbons 25%
• Aromatic Ring 25%
• Bituminous Coal 25%
• C-lignin 25%
• Carbon Ring 75%
• Carbon-13 25%
• Cell Wall 25%
• Cellulose 25%
• Cellulose Pyrolysis 25%
• Cluster Size 50%
• Coal Formation 100%
• Coal Sample 25%
• Compaction 25%
• Cross Polarization Magic Angle Spinning 25%
• Forming Material 25%
• Fusinite 25%
• Guaiacol 25%
• Inertinite 100%
• Inertinite Maceral 100%
• Lignin 25%
• Lignin-derived Aromatics 25%
• Low Temperature 25%
• Magnetic Resonance Techniques 100%
• Moisture 25%
• Monocyclic 25%
• Multi-ring 50%
• Northern Hemisphere 25%
• Nuclear Magnetic Resonance 100%
• Plant Matter 75%
• Ring Clusters 25%
• Semifusinite 25%
• Solid-state nuclear Magnetic Resonance (ssNMR) 50%
• South Africa 100%
• South African Coal 25%
• Syringol 25%
• Vitrinite 100%
• Witbank Coalfield 100%

Earth and Planetary Sciences

• Aromatic Hydrocarbon 25%
• Bituminous Coal 25%
• Carbon 14 25%
• Charring 50%
• Cross Polarization 25%
• Maceral 100%
• Northern Hemisphere 25%
• Nuclear Magnetic Resonance 100%
• Pyrolysis 25%
• Reflectance 25%
• Republic of South Africa 100%
• Vitrinite 100%