Table 7.
Elemental percentage in prepared samples before and after optimization study as estimated by EDX.
| Element | C | O | N | Na | K | S | Fe |
|---|---|---|---|---|---|---|---|
| % After optimization | 31.89 | 32.78 | 12.61 | 5.09 | 3.09 | 1.48 | 3.87 |
| % Before optimization | 30.65 | 35.1 | 11.18 | 6.54 | 2.99 | 2.46 | 0.97 |
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