Table 1.
Important peaks and their respective vibrations in the spectra recorded with the NIRFlex N-500 and SCiO [5,33].
| Device | Vibration | Wavenumber/cm−1 | Wavelength/nm |
|---|---|---|---|
| NIRFlex N-500 | C-H str. 2nd overtones | 8888–8068 | 1125–1240 |
| O-H str. 1st overtones N-H str. 1st overtones | 7264–6068 | 1377–1648 | |
| C-H str. 1st overtones | 5856–5604 | 1708–1784 | |
| Combination of O-H str. and O-H def., C=O str. 2nd overtones | 5404–4784 | 1850–2090 | |
| SCiO | C-H str. 3rd overtones | 10,834–10,660 | 923–938 |
| N-H str. 2nd overtones and O-H str. 2nd overtones | 10,616–9506 | 942–1052 |