Table 1. Nitrogen Porosimetry Data for Expanded Starch (ES), Cerium Oxide-Impregnated Expanded Starch (CeO2-ES), Carbonized Expanded Starch (S400), and Cerium Oxide-Impregnated Carbonized Starch (CeO2-S400).
| sample | BET surface area (m2/g) | mesopore volume/micropore volume at p/p0 = 0.90 (%) | micropore volume (cm3/g) | mesopore volume (cm3/g) | average pore diameter (nm) |
|---|---|---|---|---|---|
| ES | 26 | 84.8 | 0.0014 | 0.0334 | 5.85 |
| CeO2-ES | 24 | 90.3 | 0.0034 | 0.0318 | 5.42 |
| S-400 | 667 | 37.3 | 0.2471 | 0.1470 | 2.32 |
| CeO2-S400 | 345 | 20.2 | 0.1287 | 0.0325 | 1.84 |