Research Article
Vibrational and Compositional Analysis Associated with the Color of Guadua angustifolia Kunth Variety Bicolor (GAKVB)
Table 2
IR analysis of the green section of the exterior wall of GAKVB.
| Number | Experimental wavenumber (cm−1) | Reference wavenumber (cm−1) | Group | References |
| 1 | 467 | 457 | Si–O–Si |
[35] | 854 | 850 | Si–O–Si | 1061 | 1078 | SiO2 | 1352 | 1250–1500 | C–H | 1378 | 1250–1500 | C–H | 1488 | 1250–1500 | C–H | 1636 | 1650 | H2O | 2926 | 2830–3000 | C–H | 2996 | 2830–3000 | C–H | 3415 | 3000–3750 | O–H | 2 | 854 | 880 | Al–OH–Mg | [27, 36] | 3 | 1061 | 1060 | C–O; O–C–H | [27, 37] | 4 | 1196 | 1199 |
Lignin, acetate |
[38] | 5 | 1240 | 1237 | 6 | 1352 | 1380 | C–H asymmetric | [25] | 7 | 1488 | 1473 | C–H symmetric | [26] | 8 | 1513 | 1513 | Benzene | [39] | 9 |
1636 | 1675 | 2-Methoxy p-quinone | [26, 40] | 1620 | H2O | [27] | 10 | 1702 | 1710–1685 | Unsaturated aldehydes | | 11 | 1734 | 1734 | Ester (C=O) | [38] | 12 | 3415 | 3400–3200 | H2O | [27] |
|
|