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Figures of Merit of the Models for Tablets and Granulated Samples
| Calibration model | ||
|---|---|---|
| (a) Granulate | (b) Tablets | |
| Spectral pretreatment | 2nd der. S–G | 2nd der. S–G |
| Spectral range (nm) | 1,134–1,798 | 1,134–1,798 |
| No. of PLS factors | 3 | 3 |
| Y-explained variance % | 99.12 | 99.31 |
| Calibration set | ||
| Dosed and milled samples | 20 | 13 |
| Tablets | – | 5 |
| Concentration range (mg/g) | 75.6–120.6 | 75.6–120.6 |
| RSEC | 1.04 | 0.97 |
| Prediction set | ||
| Granulated samples | 20 | – |
| RSEP | 1.01 | – |
| Tablets | 28 | 28 |
| RSEP | 5.03 | 1.63 |
