What absorbs at 2899 cm⁻¹ in an FTIR spectrum?
Una banda cerca de 2899 cm⁻¹ puede apuntar a varios grupos funcionales. A continuación se muestran las asignaciones más probables, clasificadas por cuánta evidencia publicada respalda cada una — cada una trazable a literatura (DOI) y validada de forma cruzada con nuestros más de 130,000 espectros de referencia y grafo de conocimiento.
Backed by 6 cited sources
Posibles asignaciones de grupos funcionales
| Grupo funcional | Hechos de respaldo | Fuentes citadas | Confianza máxima |
|---|---|---|---|
| Alkyl C-H | 3 | 3 | 1,0 |
| Carbohydrate | 2 | 2 | 1,0 |
| Hydroxyl (O-H) | 1 | 1 | 1,0 |
La clasificación refleja la evidencia acumulada de la literatura, no una única regla autorizada. Siempre confirme según el contexto de su muestra.
Literatura detrás de estas asignaciones
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Alkyl C-H confianza 1,0
“LLM confirmed rule peak-group candidate”
Bacterial nanocellulose from agro-industrial wastes: low-cost and enhanced production by Komagataeibacter saccharivorans MD1 DOI: 10.1038/s41598-020-60315-9 -
Carbohydrate confianza 1,0
“C=O C-H stretching, pyranose ring (2899 and stretching, NH-Ac (1615 The peak found at cm-1 1473 for PEG-HA indicates amide coupling of HA with OMe-PEG 2000-NH 2.”
Dual-responsive (pH/temperature) Pluronic F-127 hydrogel drug delivery system for textile-based transdermal therapy DOI: 10.1038/s41598-019-48254-6 -
Alkyl C-H confianza 1,0
“In the figure, there is C-H stretching at 2900 cm-1 and 2898.64 cm-1 [12].”
Preparation and Characterization of Regenerated Cellulose Membrane Blended with ZrO2 Nanoparticles DOI: 10.3390/membranes12010042 -
Carbohydrate confianza 1,0
“tot I 2899cm-1 main differences between cellulose I and II occur cm-1 cm-1 in the fingerprint region, between 850 and The peak at a wavenumber of around 1370 cm-1 1450 (Fig.”
Fundamental investigations on the laser-melting of lignocellulosic fibres DOI: 10.1007/s10570-022-04702-7 -
Hydroxyl (O-H) confianza 1,0
“FTIR-ATR analysis of maize stalk showed characteristic cm-1 signals at 3340.71 specific of the -OH functional group, and other characteristic cm-1, peaks were observed at 2899.08, 1712.57, 1514.32, 1369.51 and 1034.36 emphasizing ν ν ν δ”
Maize Stalk Material for On-Site Treatment of Highly Polluted Leachate and Mine Wastewater DOI: 10.3390/ma14040956 -
Alkyl C-H confianza 1,0
“leucocephala FTIR spectra of cellulose of bark 1 3 304 Wood Science and Technology (2021) 55:295-313 cm-1 The peak at 2899 is attributed to the C-H stretching vibration (Fig.”
Chemical functional groups of extractives, cellulose and lignin extracted from native Leucaena leucocephala bark DOI: 10.1007/s00226-020-01258-2
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