Table 2.
Composition of C functional groups (%) estimated from 13C CPMAS NMR spectra of BLACKJAK.
| C Functional Group | Method | Percentage (%) |
|---|---|---|
| Alkyl-C | NMR analysis | 36.1 |
| N and O-alkyl-C | 20.9 | |
| Aromatic-C | 39.7 | |
| Carboxyl-C | 3.3 |
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