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Compositional chemical analysis data by EDXRF (% element).
| Samples | ZnO (%) | Adsorption | ZnO (%) | Cu (%) | Estimated composition |
|---|---|---|---|---|---|
| Zn-AL | 98.4 | pH 4 | 97.2 | 0.8 | ZnOCu0.008 |
| pH 6 | 97.4 | 0.9 | ZnOCu0.009 | ||
| Zn-ST | 98.6 | pH 4 | 97.6 | 0.7 | ZnOCu0.007 |
| pH 6 | 97.8 | 0.8 | ZnOCu0.008 |
