Table 8 Determination of methylphenidate in spiking urine sample using the proposed sensors
From: New potentiometric sensors for methylphenidate detection based on host–guest interaction
| Urine sample | Sensor 1 | Sensor 2 | Sensor 3 | HPLC |
|---|---|---|---|---|
| Recovery, % | 98.5 | 98.0 | 97.5 | 99.0 |
| SD | 0.084 | 0.092 | 0.081 | 0.077 |
| RSD, % | 3.2 | 3.5 | 3.1 | 2.9 |