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Removal of Cu(II) by FSAB using real water samples (50 mL solution volume, pH of 5.0, 120 min contact time, 0.04 g sorbent) and analytical results of CRM (n = 3).
| Sample | Cu(II) Spike (μg/L) | Removal % |
|---|---|---|
| Tap water | 1 | 98.3 ± 3 |
| 50 | 97.1 ± 1 | |
| 100 | 97.2 ± 2 | |
| Ultrapure water | 1 | 99.3 ± 2 |
| 50 | 99.2 ± 4 | |
| 100 | 99.5 ± 2 | |
| Bottled drinking water | 1 | 97.5 ± 1 |
| 50 | 97.1 ± 3 | |
| 100 |
97.7 ± 2 |
|
|
Elements |
UME G3RM-1201 Found (μg/L) |
Certified(μg/L) |
| Cu(II) | 83.25 ± 0.97 | 83.1 ± 2.6 |
