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Statistical comparison between spectrophotometric and HPLC methods.
| Method | Linear regression equation | Correlation coefficient R 2 | LOD (M) | LOQ (M) |
|---|---|---|---|---|
| Spectrophotometric | y = 56.737x + 0.016 | 0.998 | 0.001905 | 0.005773 |
| HPLC | y = 24337025.58x + 219631.2716 | 0.997 | 0.052893 | 0.160282 |
LOD: limit of detection. LOQ: limit of quantitation.
