What absorbs at 3496 cm⁻¹ in an FTIR spectrum?
A band near 3496 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 |
|---|---|---|---|
| Alkyl C-H | 2 | 2 | 1,0 |
| Aromatic ring | 1 | 1 | 1,0 |
| Hydroxyl (O-H) | 1 | 1 | 1,0 |
| Thiol | 1 | 1 | 1,0 |
| Methyl | 1 | 1 | 1,0 |
| Methoxy (OCH3) | 1 | 1 | 1,0 |
| Methacrylate | 1 | 1 | 1,0 |
| Acetate | 1 | 1 | 1,0 |
| N h | 1 | 1 | 0,7 |
Rankingen speglar ackumulerade litteraturbevis, inte en enda auktoritativ regel. Bekräfta alltid mot din provkontext.
Litteratur bakom dessa identifieringar
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Acetate förtroende 1,0
“Moreover, the diameter distribution was also widened with the O-H group (3496 cm-1), and the bending vibrations of the CH3 deformation for the acetate increased PVP concentration because of the unstable jet resulting from the addition of mo”
Biomimetic Growth of Hydroxyapatite on Electrospun CA/PVP Core–Shell Nanofiber Membranes DOI: 10.3390/polym10091032 -
Thiol förtroende 1,0
“For 4-ATP, it was observed at 3427 and 3348 and calculated at 3630 and 3496 cm-1 In the FT-IR spectrum, the S-H stretching vibration band is observed around 2530 [2, 25, cm-1, 26].”
Kalayci 等 - 2021 - EXPERIMENTAL AND THEORETICAL INVESTIGATIONS (FTIR, DOI: 10.4314/bcse.v35i3.11 -
Hydroxyl (O-H) förtroende 1,0
“Recent reports by [37] showed that FTIR spectra of CUR presented a characteristic broad peaks at 3496, 2923, cm-1, and 1513 assigned to phenolic O-H stretching vibrations, aromatic C-H stretching”
The Effects of Curcumin Nanoparticles Incorporated into Collagen-Alginate Scaffold on Wound Healing of Skin Tissue in Trauma Patients DOI: 10.3390/polym13244291
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