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Quantification of acidity measured by pyridine adsorption.
| T (K) | Lewis (μmol/g) | Bronsted (μmol/g) | Total (μmol/g) | B/L | % Bronsted | |
|---|---|---|---|---|---|---|
| Clay | 298 | 40.5 | 3.8 | 44.3 | 0.09 | 8.6 |
| 344 | 30.0 | 4.1 | 34.1 | 0.14 | 11.9 | |
| 398 | 9.8 | 5.7 | 15.5 | 0.58 | 36.9 | |
| H2SO4-Clay | 298 | 25.6 | 7.8 | 33.4 | 0.30 | 23.3 |
| 352 | 13.9 | 10.7 | 24.6 | 0.77 | 43.4 | |
| 398 | 5.5 | 9.6 | 15.1 | 1.75 | 63.6 |
