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Comparison of performances of different electrochemical sensors for nitrites.
| Electrode | Linear range (μM) | Detection limit (μM) | Reference |
|---|---|---|---|
| Nano-Au/Ch/GC | 0.4-750 | 0.1 | [47] |
| Nano-Au/P3MT/GC | 5-500 | 2.3 | [48] |
| Pt disk electrode | 10-10 000 | 4.8 | [49] |
| Cu-Tl composite film-GCE | 1000-10 000 | 250 | [50] |
| CuO-Graphite Composite EC | 100- 1 250 | 0.6 | [30] |
| MnO2-Graphite Composite EC | 1.2 | [31] | |
| CuO-GCE | 1.0-91.5 | 0.36 | This work |
