Table 3.
Detection of DA in the real sample (n = 2).
| Electrodes | Sample added (µM) | Found (µM) | Recovery (%) |
|---|---|---|---|
| RGO-Y2O3 MCPE | 20 | 19.48 | 97.4 |
| 30 | 29.92 | 99.6 | |
| RGO-Y2O3Cr3+ MCPE | 20 | 19.5 | 97.8 |
| 30 | 29.96 | 99.8 |
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