What absorbs at 2879 cm⁻¹ in an FTIR spectrum?
A band near 2879 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 7 cited sources
Možne dodelitve funkcionalnih skupin
| Funkcionalna skupina | Podporna dejstva | Citirani viri | Najvišje zaupanje |
|---|---|---|---|
| Alkyl C-H | 6 | 6 | 1,0 |
| Lipid | 1 | 1 | 1,0 |
| Hydroxyl (O-H) | 1 | 1 | 1,0 |
Razvrstitev odraža zbrane literaturne dokaze, ne enega avtoritativnega pravila. Vedno preverite glede na kontekst vašega vzorca.
Literatura za temi dodelitvami
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Alkyl C-H zaupanje 1,0
“-NH2 (C-N Stretching) 2935.05cm-1 ±2935cm-1 Alkane(C-HStretching) (Medium) cm-1 cm-1 cm-1 and 2611.01 >3000 (Medium) Alkane (C-H Stretching) 2715.39 2879.43cm-1 and2868.32cm-1 ±2860cm-1 Alkane(C-HStretching) (Medium)”
Validation of the Developed Zero-Order Infrared Spectrophotometry Method for Qualitative and Quantitative Analyses of Tranexamic Acid in Marketed Tablets DOI: 10.3390/molecules26226985 -
Alkyl C-H zaupanje 1,0
“N-H stretching 3105 N-H stretching 2879 -C-H stretching -C=O 1656 stretching (Amide I)”
Metal and Phosphate Ions Show Remarkable Influence on the Biomass Production and Lipid Accumulation in Oleaginous Mucor circinelloides DOI: 10.3390/jof6040260 -
Alkyl C-H zaupanje 1,0
“C-H stretching at 2879 cm-1 decreases with increasing Cel concentrations.”
Improvement of Chitosan Films Properties by Blending with Cellulose, Honey and Curcumin DOI: 10.3390/polym15122587 -
Lipid zaupanje 1,0
“sample through the vibrational and valence group peaks that belong to the structural sample through the vibrational and valence group peaks that belong to the structural cm-1), cm-1) components based on rosin (3443, 2939 and 2879 wax (2833,”
Sandu 等 - 2023 - Authentication of a Stradivarius Petite Violin T DOI: 10.3390/app -
Alkyl C-H zaupanje 1,0
“Fourier-transform infrared spectroscopy of films The FTIR spectrum of the films (Figure 8a) shows cm-1 stretching,47 a peak at 2879 corresponding to C-H cm-1 and others at 1605 and 1409, 1350, and 1244 were”
Villacres 等 - 2023 - Preparation of Composite Films of Sodium Alginate- DOI: 10.21577/0103-5053.20230064 -
Alkyl C-H zaupanje 1,0
“The sharp band at cm-1 was due to the stretching vibration of backbone aliphatic C-H [12], and the 2879 cm-1 band at 2353.7 was the stretching of CO in the environment.”
Biomaterials based on N,N,N -trimethyl chitosan fibers in wound dressing applications DOI: 10.1016/j.ijbiomac.2015.07.037(2015 -
Alkyl C-H zaupanje 1,0
“Assignments Wavenumber 3352 O-H stretching 2952 C-H asymmetric stretching 2879”
Zhuang 等 - 2020 - Observation of Potential Contaminants in Processed DOI: 10.3390/app10124345
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