Table 1 Properties of LTL zeolite nanocrystals containing different extra-framework cations [21]
From: Effect of Extra-Framework Cations of LTL Nanozeolites to Inhibit Oil Oxidation
Extra-framework cations | Si/Al ratios | Effective ionic radii (Å) | Charge density (e/Å3) | Polarizability of cation (10−24 cm3) | SBET (m2/g) | Sexternal (m2/g) | Vtotal (cm3/g) |
|---|---|---|---|---|---|---|---|
Li+ | 3.21 | 0.76 | 0.779 | 0.03 | 502 | 133 | 0.742 |
Na+ | 3.21 | 1.02 | 0.268 | 0.18 | 496 | 131 | 0.718 |
K+ | 3.21 | 1.38 | 0.101 | 0.84 | 483 | 130 | 0.708 |
Ca2+ | 3.20 | 1.00 | 0.505 | 0.47 | 497 | 133 | 0.728 |