Research Article
Studies on Synthetic and Natural Melanin and Its Affinity for Fe(III) Ion
Table 4
EDS results for the Fe(III)-DHI system.
| Element line | Weight % | Weight % error | Atom % | Atom % error |
| C | 60.54 |
±0.98 | 75.96 | ±1.23 | O | 19.70 | ±0.59 | 18.55 | ±0.56 | K | 1.29 | ±0.25 | 0.50 | ±0.10 | Fe | 18.48 | ±2.14 | 4.99 | ±0.58 |
| Total | 100.00 | | 100.00 | |
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