Table 2.
Properties of models for prediction of different purities in moxa wool using characteristic absorption intensities or areas.
| Characteristic absorption peaks | Determination coefficient (R2) | Absorption intensities (Y) | Determination coefficient (R2) | Absorption areas (Y) |
|---|---|---|---|---|
| 4.22 THz | 0.97535 | Y = 0.00956x − 0.00212 | 0.95286 | Y = (9.0875E − 4) x + 0.0019 |
| 5.09 THz | 0.97549 | Y = 0.10409x − 0.03821 | 0.98362 | Y = 0.01929x + 0.02842 |
| 6.28 THz | 0.99055 | Y = 0.02891x − 0.01303 | 0.96025 | Y = 0.00309x + 0.00535 |