From: New potentiometric sensors for methylphenidate detection based on host–guest interaction
Preparation | Parameter | Sensor 1 | Sensor 2 | Sensor 3 | HPLC |
---|---|---|---|---|---|
Synthetic form, 5 mg | Measured | 4.93 | 4.92 | 4.96 | 4.97 |
R, % | 98.6 | 98.4 | 99.20 | 99.4 | |
SD | 0.09 | 0.11 | 0.11 | 0.13 | |
RSD, % | 1.83 | 2.23 | 2.22 | 2.61 | |
Ritalin tablet (10 mg) | |||||
Measured | 9.92 | 9.92 | 9.8 | 9.9 | |
R, % | 98.0 | 98.5 | 98 | 99 | |
SD | 0.19 | 0.19 | 0.22 | 0.25 | |
RSD | 1.9 | 1.95 | 2.26 | 2.55 | |
Ttest | 0.14 | 0.14 | 0.71 | ||
Ftest | 1.73 | 1.73 | 1.29 | ||
Methylphenidate tablet (10 mg) | |||||
Measured | 9.91 | 9.85 | 9.81 | 9.85 | |
R, % | 99.1 | 98.5 | 98.1 | 98.5 | |
SD | 0.18 | 0.19 | 0.22 | 0.24 | |
RSD, % | 1.81 | 1.93 | 2.24 | 2.44 | |
Ttest | 0.49 | 0.5 | 1.05 | ||
Ftest | 1.19 | 1.5 | 1.77 |