Table 2.
Parameters of calibration regression straight lines and limits of detection (LOD) and quantification (LOQ) of rutin on the tested carbon paste electrodes, DPAdSV measurement.
| Electrode | c (μmol L−1) | Regression equation y = ax + b | R | LOD (mol L−1) | LOQ (mol L−1) |
|---|---|---|---|---|---|
| CPE | 0.01–0.1 | y = 5 × 108 x −2.15 | 0.9784 | 1 × 10−8 | 3 × 10−8 |
| 0.2–1 | y = 9 × 108 x −171.27 | 0.9886 | |||
| IL/CPE | 0.005–0.08 | y = 5 × 109 x + 171.95 | 0.9852 | 5 × 10−9 | 2 × 10−8 |
| IP/CPE | 0.02–0.6 | y = 8 × 108 x −13.75 | 0.9935 | 2 × 10−8 | 6 × 10−8 |
c: linear concentration range, R: correlation coefficient.