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Comparison of the proposed method and spectrophotometric method for the determination of total iron in water samples.
| Sample | Total iron (mg L −1 )a | |
|---|---|---|
| Proposed method | Spectrophotometric method | |
| 1 | 6.17 ± 0.08 | 6.94 ± 0.01 |
| 2 | 2.15 ± 0.01 | 1.93 ± 0.01 |
| 3 | 1.32 ± 0.13 | 1.11 ± 0.03 |
| 4 | 11.79 ± 0.05 | 12.08 ± 0.09 |
| 5 | 9.91 ± 0.08 | 9.40 ± 0.07 |
| 6 | 2.00 ± 0.13 | 1.94 ± 0.01 |
| 7 | 2.08 ± 0.03 | 2.11 ± 0.01 |
| 8 | 2.09 ± 0.06 | 2.19 ± 0.01 |
a Mean of triplicate results.
