Table 6.
The weight percentage of identified elements on the surface of MS immersed in 1 M HCl solution without and with 1000 ppm DPH after 4 h.
| Element | Weight percentage (%) | |
|---|---|---|
| Blank | 1000 ppm DPH | |
| C | 6.30 | 8.98 |
| N | 0.1 | 2.32 |
| O | 5.34 | 3.30 |
| Fe | 88.26 | 85.4 |
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