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Parameters of calibration regression straight lines and limits of detection (LOD) and quantification (LOQ) of rutin on the tested carbon paste electrodes, DPV measurement.
| Electrode | c (μmol L−1) | Regression equation y = ax + b | R | LOD (mol L−1) | LOQ (mol L−1) |
|---|---|---|---|---|---|
| CPE | 0.2–8 | y = 2 × 108 x −41.90 | 0.9911 | 2 × 10−7 | 7 × 10−7 |
| IL/CPE | 0.6–6 | y = 3 × 108 x + 41.89 | 0.9944 | 6 × 10−7 | 2 × 10−6 |
| IP/CPE | 0.08–6 | y = 2 × 108 x −9.64 | 0.9955 | 8 × 10−8 | 3 × 10−7 |
c: linear concentration range, R: correlation coefficient.
