Application of L for the determination of Cu2+ concentrations in tap water samples.
| Sample | Added Cu2+ (μM) | Found (μM) | Recovery (%) | RSD (%) (n = 3) |
|---|---|---|---|---|
| Tap water | 20 | 15.4 | 77 | 1.3 |
| 40 | 31.6 | 79 | 1.2 | |
| 80 | 61.1 | 76 | 1.5 |
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