Table 2.
Elemental composition by EDX analysis of nano-biochar
| Elements | Weight% | Atomic% |
|---|---|---|
| C | 18.79 | 31.40 |
| O | 30.57 | 38.36 |
| Na | 1.01 | 1.21 |
| Mg | 3.47 | 3.69 |
| Si | 5.33 | 5.95 |
| P | 1.25 | 1.07 |
| S | 0.22 | 0.77 |
| Cl | 1.48 | 0.84 |
| K | 7.23 | 4.23 |
| Ca | 15.26 | 9.60 |
| Ti | 1.05 | 0.44 |
| Fe | 0.73 | 0.26 |
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