Research Article
Rapid Determination of Mercury Ions in Environmental Water Based on an N-Rich Covalent Organic Framework Potential Sensor
Table 2
Reproducibility of the GPE/COFTFPB-TZT electrode.
| No. | Potential (mV) | 1.0 × 10−6 mol/L | 1.0 × 10−4 mol/L |
| 1 | 97.0 | 140.0 | 2 | 96.3 | 139.3 | 3 | 97.0 | 140.0 | 4 | 95.6 | 140.0 | 5 | 96.3 | 139.2 | 6 | 96.2 | 138.5 | 7 | 97.1 | 139.2 | 8 | 97.0 | 139.3 | 9 | 96.3 | 140.0 | 10 | 97.0 | 140.7 | AV | 96.6 | 139.6 | RSD | 0.53% | 0.45% |
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