Table 3.
Metal content of PAA determined by plasma spectrometry.
| Metal | Concentration (ppm) |
|---|---|
| Ca | 10739.9 |
| Cu | 2528.8 |
| Zn | 847.3 |
| Mg | 453.8 |
| Fe | 324.6 |
| Mn | 240.5 |
| Cr | 19.8 |
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