What absorbs at 3100 cm⁻¹ in an FTIR spectrum?
A band near 3100 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 8 cited sources
Caktime të mundshme të grupeve funksionale
| Grup funksional | Fakte mbështetëse | Burimet e cituara | Besueshmëri e lartë |
|---|---|---|---|
| Hydroxyl (O-H) | 18 | 14 | 1,0 |
| Alkyl C-H | 6 | 6 | 0,9 |
| Amide | 5 | 5 | 1,0 |
| N h | 3 | 2 | 0,9 |
| Alkene (C=C) | 1 | 1 | 0,9 |
| Water (H2O) | 1 | 1 | 0,9 |
| Carboxyl (COOH) | 1 | 1 | 0,8 |
Renditja pasqyron provat e grumbulluara të literaturës, jo një rregull të vetëm autoritar. Gjithmonë konfirmoni në kontekstin e mostrës suaj.
Literatura pas këtyre caktimeve
-
Hydroxyl (O-H) besueshmëri 1,0
“Text: 'medium hydroxyl (OH) band in the region 3600-3100 cm-1.'”
Mathews 和 Singh - 2016 - Characterization of solid bitumen from Panandhro l DOI: 10.18520/cs/v111/i11/1842-1846 -
Hydroxyl (O-H) besueshmëri 1,0
“OH groups of the resin components.”
Costa de Almeida 等 - 2021 - Development of a bio-based adhesive from Protium h DOI: 10.1590/0104-1428.10020 -
Amide besueshmëri 1,0
“Explicit assignment in text: 'amide B (~3100 cm-1)'”
Usoltsev 等 - 2019 - Systematic FTIR Spectroscopy Study of the Secondar DOI: 10.3390/biom9080359 -
Water (H2O) besueshmëri 0,9
“Peak at 3100-3600 cm-1 generally represents water and NH bonds in nematodes.”
Ramakrishnan 等 - 2022 - Survival and efficacy of entomopathogenic nematode DOI: 10.1038/s41598-022-08605-2 -
Hydroxyl (O-H) besueshmëri 0,9
“Band around 3100 ~ 3300 corresponds to OH group”
Wang 和 Rhim - 2019 - Isolation and characterization of melanin from bla DOI: 10.1016/j.lwt.2018.09.033 -
Hydroxyl (O-H) besueshmëri 0,9
“Snippet: 'increase in the absorbance peak from 3100 to 3500 cm-1 ... associated with an increase in hydroxyl groups.'”
Yakacki 等 - 2008 - Cytotoxicity and thermomechanical behavior of biom DOI: 10.1088/1748-6041/3/1/015010 -
Alkene (C=C) besueshmëri 0,9
“Explicit assignment: '=C-H stretching peak of the m-PP'”
Yoon 等 - 2013 - Rheological Properties and Foaming Behaviors of Mo DOI: 10.7317/pk.2013.37.4.494 -
Hydroxyl (O-H) besueshmëri 0,9
“Explicit assignment in text.”
Adeniyi 等 - 2023 - A Comparison of the Effect of Cellulose Nanocrysta DOI: 10.3390/polym15122636
Keni një spektër me këtë brez?
Ngarkoni spektrin tuaj FTIR dhe merrni një raport të plotë interpretimi — caktim i pikut me citime literaturë, përputhje biblioteke dhe një zinxhir provash të vlerësuar me besueshmëri — në sekonda.
Interpreto spektrin tim