What absorbs at 2899 cm⁻¹ in an FTIR spectrum?
A band near 2899 cm⁻¹ can point to several functional groups. Below are the most likely assignments, ranked by how much published evidence supports each — every one traceable to literature (DOI) and cross-validated against our 130,000+ reference spectra and knowledge graph.
Backed by 6 cited sources
Mga posibleng pagtatalaga ng functional-group
| Grupong functional | Mga sumusuportang katotohanan | Mga nasiping sanggunian | Pinakamataas na kumpiyansa |
|---|---|---|---|
| Alkyl C-H | 3 | 3 | 1.0 |
| Carbohydrate | 2 | 2 | 1.0 |
| Hydroxyl (O-H) | 1 | 1 | 1.0 |
Ang pagraranggo ay sumasalamin sa naipon na ebidensya ng literatura, hindi isang solong awtoritatibong tuntunin. Palaging kumpirmahin laban sa konteksto ng iyong sample.
Literatura sa likod ng mga pagtatalagang ito
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Alkyl C-H kumpiyansa 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 kumpiyansa 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 kumpiyansa 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 kumpiyansa 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) kumpiyansa 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 kumpiyansa 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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