Table 2. Composition of Eggshell.
| compound | CaO | MgO | Al2O3 | SiO2 | K2O | P2O5 | ZnO | LOI |
|---|---|---|---|---|---|---|---|---|
| wt %a | 52.97 | 0.884 | 0.206 | 0.353 | 0.12 | 0.522 | 0.69 | 44.25 |
a
wt %: weight percentage of elements in terms of their oxides
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