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
Mga posibleng pagtatalaga ng functional-group
| Functional group | Mga sumusuportang katotohanan | Mga nasiping sanggunian | Pinakamataas na kumpiyansa |
|---|---|---|---|
| N h | 2 | 2 | 0.9 |
| Hydroxyl (O-H) | 2 | 2 | 0.9 |
| Alkyl C-H | 1 | 1 | 0.5 |
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
-
Hydroxyl (O-H) kumpiyansa 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 kumpiyansa 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 kumpiyansa 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) kumpiyansa 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
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