Table 4 Determination of La(III) at different concentrations in real water samples using 20 mg SG-N-PhenacylPyrNTf 2
Samples | Added (mg L−1) | Unadsorbed (mg L−1) | Extraction (%) |
|---|---|---|---|
Tap water | 1 | 0.02 | 98.00 |
5 | 0.13 | 97.42 | |
10 | 0.39 | 96.15 | |
Lake water | 1 | 0.01 | 98.66 |
5 | 0.14 | 97.22 | |
10 | 0.45 | 95.50 | |
Seawater | 1 | 0.03 | 97.40 |
5 | 0.15 | 97.02 | |
10 | 0.52 | 94.85 | |
Drinking water | 1 | 0.02 | 98.46 |
5 | 0.11 | 97.76 | |
| Â | 10 | 0.36 | 96.45 |