Table 5 Determination of recovery rate by electrochemical biosensor.
Recycled samples 1 | Recycled samples 2 | Recycled samples 3 | Basic sample | |
|---|---|---|---|---|
Initial concentration (fM) | 224.39 | 224.39 | 456.04 | 116.41 |
Recovery concentration (fM) | 107.98 | 107.98 | 339.63 | |
Additive concentration (fM) | 100 | 150 | 300 | |
Rate of recovery (%) | 107.98 | 71.97 | 113.21 | |
Average recovery rate (%) | 97.72 |
