What absorbs at 3342 cm⁻¹ in an FTIR spectrum?
A band near 3342 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 6 cited sources
Mulige funksjonelle gruppe-tilordninger
| Funksjonell gruppe | Støttende fakta | Siterte kilder | Toppkonfidens |
|---|---|---|---|
| Hydroxyl (O-H) | 3 | 3 | 0.95 |
| N h | 3 | 2 | 0.9 |
Rangeringen gjenspeiler akkumulert litteraturbevis, ikke en enkelt autoritativ regel. Bekreft alltid mot prøvekonteksten din.
Litteratur bak disse tilordningene
-
Hydroxyl (O-H) konfidens 0.95
“Text: 'broad band centered at 3342.41 corresponding to the O-H stretch'”
Tavares 等 - 2016 - Conductive Paper with Antibody-Like Film for Elect DOI: 10.1038/srep26132 -
konfidens 0.9
“Band around 3342 due to stretching of chitosan.”
Arikibe 等 - 2019 - pH-Responsive Studies of Bacterial CelluloseChito DOI: 10.1002/slct.201902290 -
Hydroxyl (O-H) konfidens 0.9
“Explicit assignment: hydroxide stretching peaks at 3342 cm-1.”
Glass 和 Prakash - 2018 - Effect of pH on the Reduction of Graphene Oxide on DOI: 10.1002/elan.201800177 -
Hydroxyl (O-H) konfidens 0.9
“Explicit assignment in text: '3342 (O-H bond)'”
Naseriyeh 等 - 2023 - Glycyrrhizic acid delivery system Chitosan-coated DOI: 10.14715/cmb/2023.69.4.1 -
N h konfidens 0.9
“explicit assignment”
Tao 等 - 2020 - Salumycin, a New Pyrazolequinone from aStreptomyce DOI: 10.3390/molecules25184098 -
N h konfidens 0.7
“Peak region for valsartan and sacubitril amide νNH band.”
Liu 等 - 2020 - Study on Co-Crystallization of LCZ696 Using In Sit DOI: 10.3390/cryst10100922
Har du et spektrum med denne bånden?
Last opp FTIR-spektrumet ditt og få en full tolkningsrapport — topptilordninger med litteraturhenvisninger, bibliotekssøk og en konfidensvurdert beviskjede — på sekunder.
Tolk spektrumet mitt