Table 2.
EDX investigation results of SDB and SDBA biochars.
| Biochar | SDB | SDBA | ||
|---|---|---|---|---|
| Elements | Wt% | At% | Wt% | At% |
| Carbon | 48.23 | 56.07 | 57.49 | 64.32 |
| Nitrogen | ND | ND | 7.63 | 7.32 |
| Oxygen | 28.15 | 26.98 | 32.65 | 27.42 |
| Sulfur | 23.62 | 16.95 | 2.23 | 0.94 |
NA: not detected.
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