What absorbs at 2308 cm⁻¹ in an FTIR spectrum?
A band near 2308 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 3 cited sources
Möjliga identifieringar av funktionella grupper
| Funktionell grupp | Stödjande fakta | Citerade källor | Högsta förtroende |
|---|---|---|---|
| Methoxy (OCH3) | 1 | 1 | 1,0 |
| Methacrylate | 1 | 1 | 1,0 |
| C-O single bond | 1 | 1 | 1,0 |
| Acetate | 1 | 1 | 1,0 |
| Carbonyl (C=O) | 1 | 1 | 1,0 |
| N h | 1 | 1 | 1,0 |
| Hydroxyl (O-H) | 1 | 1 | 0,9 |
Rankingen speglar ackumulerade litteraturbevis, inte en enda auktoritativ regel. Bekräfta alltid mot din provkontext.
Litteratur bakom dessa identifieringar
-
förtroende 1,0
“Samples were once again, divided randomly into calibration and validation sets with N-H stretching Protein N-H/2308 2280 C-H Protein 50 and 10 samples, respectively.”
Detection of Lipid Oxidation in Infant Formulas: Application of Infrared Spectroscopy to Complex Food Systems DOI: 10.3390/foods9101432 -
Carbonyl (C=O) förtroende 1,0
“cm-1 At 2308 was the stretching vibration peak of carbonyl (C=O) and carboxyl (-COOH), and CO mainly came from the decarboxylation and decarbonylation reactions in the 2 cm-1”
Liu 等 - 2023 - Evolution of Pyrolysis Characteristics and Gas Com DOI: 10.15376/biores.18.1.1699-1713 -
Hydroxyl (O-H) förtroende 0,9
“Explicitly assigned to hydroxyl groups from D2O experiments.”
The behavior of ozone on different iron oxides surface sites in water DOI: 10.1038/s41598-019-50910-w
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