Table 3.
Specific surface area and total porosity of clay.
| Sample | Specific surface area (m2/g) | Total area in pores (cm3/g) | Average pore width (nm) |
|---|---|---|---|
| Clay before purification | 46.88 | 20.32 | 5.58 |
| Clay after purification | 12.66 | 6.75 | 8.51 |
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