Table 5 Calculated values for the oxidation Eox, reduction Ered and formal potential Eo’ estimated with cyclic voltammetry and FTacV for lignins immobilized on a glassy carbon electrode with the use of Nafion in 100 mM tartrate buffer pH 5.0 at 50 °C
| Â | Cyclic Voltammetry | FTacV | |||
|---|---|---|---|---|---|
E ox | E red | E ox | E red | Eo’ | |
HT-A-WS | 387 | 281 | 322.3 ± 11.2 | 320.2 ± 17.9 | 346.5 ± 21.1 |
SE-B | 361 | 241 | 325.7 ± 7.8 | 306.9 ± 16.5 | 316.3 ± 18.2 |
SE-S | 359 | 241 | 357.1 ± 11.7 | 339.3 ± 7.2 | 348.2 ± 13.8 |
OS-B | 358 | 274 | 283.3 ± 3.4 | 337.1 ± 23.3 | 310.2 ± 23.6 |
OS-S | 368 | 258 | 363.7 ± 11.1 | 352.7 ± 19.8 | 358.2 ± 22.7 |
OS-A-B | 367 | 272 | 310.2 ± 24.1 | 303.9 ± 9 | 307.1 ± 33.1 |
OS-A-S | 361 | 271 | 347.5 ± 21.5 | 315.4 ± 27.6 | 331.4 ± 31.9 |
OS-B-LF | 355 | 218 | 269.9 ± 11.9 | 229.9 ± 19.1 | 249.9 ± 23.8 |
OS-S-LF | 356 | 252 | 349.6 ± 12.5 | 309.1 ± 32.1 | 354.7 ± 34.5 |
OS-A-B-LF | 358 | 223 | 264.6 ± 34.2 | 197.0 ± 18.6 | 230.8 ± 47.9 |
OS-A-S-LF | 353 | 190 | 278.4 ± 20.0 | 209.8 ± 22.7 | 256.7 ± 30.2 |