What absorbs at 3362 cm⁻¹ in an FTIR spectrum?
A band near 3362 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 5 cited sources
Mga posibleng pagtatalaga ng functional-group
| Functional group | Mga sumusuportang katotohanan | Mga nasiping sanggunian | Pinakamataas na kumpiyansa |
|---|---|---|---|
| Hydroxyl (O-H) | 4 | 4 | 0.9 |
| Amide | 1 | 1 | 0.9 |
| N h | 1 | 1 | 0.9 |
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
“Broad intense peak at 3362 cm-1 suggests presence of hydroxyl group.”
Agunbiade 等 - 2019 - Evaluation of Fresh Water Actinomycete Biofloccula DOI: 10.3390/ijerph16183337 -
N h kumpiyansa 0.9
“Band around 3362 cm-1 associated to N-H.”
Sciacqua 等 - 2020 - Controlling the flux of reactive species a case s DOI: 10.1038/s41598-020-72634-y -
Amide kumpiyansa 0.9
“Shifted from 3354, still N-H and O-H stretching.”
Shamsudin 等 - 2014 - Green Polymer Electrolytes based on Chitosan and 1 DOI: 10.1063/1.4895229 -
Hydroxyl (O-H) kumpiyansa 0.9
“Text: 'peaks at 1272 and 3362 indicate stretching vibrations of OH group'”
Suhail 等 - 2021 - Preparation and In Vitro Evaluation of AsparticAl DOI: 10.3390/gels7020068 -
Hydroxyl (O-H) kumpiyansa 0.7
“Molecular stretch OH.”
Fardiyah 等 - 2018 - Fluorescence Analysis of Andrographis paniculata L DOI: 10.1063/1.5082422
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