Table 1.
Characteristics of the calibration curves of SWAdCS voltammetric determination of pioglitazone HCl
| tacc(s) | Linearity range (M) | Regression equation ip (μA) = a + b C | Correlation coefficient (r) | LOD (M) | LOQ (M) |
|---|---|---|---|---|---|
| 0 | 3 × 10-5 - 2 × 10-4 | ip = 5.46 + 1.89 C | 0.9959 | 9.92 × 10-6 | 3.01 × 10-5 |
| 30 | 5 × 10-6 - 9 × 10-5 | ip = 0.55 + 6.51 C | 0.9983 | 1.04 × 10-6 | 3.16 × 10-6 |
| 60 | 2 × 10-6 - 4 × 10-5 | ip = 1.64 + 6.53 C | 0.9968 | 6.37 ×10-7 | 1.93 × 10-6 |
| 100 | 7 × 10-7 - 8 × 10-6 | ip = -0.15 + 5.05 C | 0.9981 | 1.60 ×10-7 | 4.86 × 10-7 |
| 150 | 2 × 10-7 - 3 × 10-6 | ip = -0.02 + 7.54 C | 0.9967 | 5.82 ×10-8 | 1.76 × 10-7 |
| 300 | 4 × 10-8 - 6 × 10-7 | ip = 5.56 + 3.23 C | 0.9957 | 8.08 ×10-9 | 2.45 × 10-8 |