What absorbs at 3326 cm⁻¹ in an FTIR spectrum?
A band near 3326 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 4 cited sources
Mulige funktionelle gruppetildelinger
| Funktionel gruppe | Understøttende fakta | Citerede kilder | Højeste tillid |
|---|---|---|---|
| N h | 2 | 2 | 0,9 |
| Hydroxyl (O-H) | 2 | 2 | 0,9 |
| Alkyl C-H | 1 | 1 | 0,5 |
Rangering afspejler akkumulerede litteraturbeviser, ikke en enkelt autoritativ regel. Bekræft altid mod din prøvekontekst.
Litteratur bag disse tildelinger
-
Hydroxyl (O-H) tillid 0,9
“narrower -OH band for Ca-alginate”
Castro 等 - 2021 - Design and Optimization of a Self-Assembling Compl DOI: 10.3390/polym13132080 -
N h tillid 0,9
“Text: 'NH stretching band ... 3392 and 3326 cm-1'”
Kucinska-Lipka 等 - 2017 - The Influence of Calcium Glycerophosphate (GPCa) M DOI: 10.3390/polym9080329 -
N h tillid 0,9
“Text: 'peaks at 3326–3226 were attributed to the NH stretching'”
Lin 等 - 2017 - SYNTHESIS AND BIOLOGICAL ACTIVITIES OF 3,6-DISUBST DOI: 10.4314/bcse.v31i3.12 -
Hydroxyl (O-H) tillid 0,5
“O-H paracetamol vibrational peak and CH at 3326 cm-1.”
Moin 等 - 2020 - Design and formulation of polymeric nanosponge tab DOI: 10.1039/d0ra06611g
Har du et spektrum med dette bånd?
Upload dit FTIR-spektrum og få en fuld tolkningsrapport — peak-tildelinger med litteraturhenvisninger, biblioteksmatch og en tillidsvurderet beviskæde — på få sekunder.
Fortolk mit spektrum