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FTIR absorption peaks in the spectra of LT and their assignments
| Range of wave number (cm−1) | Assignment |
|---|---|
| 3058 | C–H asym. stretching (aliphatic) |
| 2922 | CH2 sym stretching |
| 1734 | C=C stretching |
| 1598 | NH2 scissoring |
| 1556 | C–C–C stretching |
| 1475 | C–H in plane bending in ring |
| 1438 | CH2 scissoring |
| 1475 | C–H in plane bending in ring |
| 1330 | Combination of C–C–C stretching and Phenolic OH |
| 1235 | Phenolic OH stretch with ring carbon |
| 1104 | C–N stretching |
| 1041 | C–H in plane bending |
| 820 | NH2 wagging |
