Table 1.
Basal spacings (d001), organic carbon content (OC), nitrogen (N2) surface areas, and ethylene glycol monoethyl ether (EGME) surface areas of clay samples.
| Sample | d001 (nm) | OC (%) | N2 (m2/g) | EGME (m2/g) |
|---|---|---|---|---|
| Na-Novasil plus | 1.26 | 0.14 | 70 | 721 |
| Na-SWy-2 | 1.23 | 0.06 | 29 | 691 |
| SWy-HDTMA | 1.82 | 14.60 | 7 | 216 |
| SWy-PTMA | 1.48 | 8.16 | 59 | 406 |
| SWy-Choline | 1.41 | 4.02 | 140 | 273 |
| SWy-Carnitine | 1.39 | 5.10 | 32 | 202 |
| Na-SAz-1 | 1.26 | 0.07 | 93 | 735 |
| SAz-Choline | 1.41 | 5.68 | 58 | 275 |
| 0.35LiSAz-Choline | 1.42 | 4.11 | 213 | 425 |
| Norit-A activated carbon | NA | 78.40 | 800 | 881 |
NA = not applicable.