Research Article
Gas-to-Biochar Byproducts of Pyrolysis and Gasification of Star Anise Biomass
Table 9
Common FTIR spectra [
51].
| | Wavenumber range where the peak is located (cm-1) | Absorption spectrum category |
| | 3600–3300 | O-H stretching vibration | | 3000–2700 | C-H, CH2, and CH3 stretching vibration | | 1750–1700 | C=O stretching vibration | | 1670–1600 | C=C stretching vibration | | 1500–1300 | Oxygen hydrogen bending vibration | | 1300–1000 | C-O stretching vibration | | 1000–650 | Aromatic C-H deformation and vibration |
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