Table 3 Parameters of linear fit curves under different wavenumbers.
Wavenumber (cm−1) | Parameters of linear fit curve | ||
---|---|---|---|
Intercept | Slope | R2 | |
700–800 | −0.0266 | 72.7993 | 0.9919 |
1200–1300 | 0.0017 | 30.2344 | 0.9997 |
1500–1700 | 0.0004 | 30.6556 | 0.9998 |
2900–3000 | 0.1278 | 27.3711 | 0.9090 |