What absorbs at 2931 cm⁻¹ in an FTIR spectrum?
A band near 2931 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
Ugawaji unaowezekana wa vikundi vya kazi
| Kikundi cha kazi | Ukweli unaounga mkono | Vyanzo vilivyotajwa | Uaminifu wa juu |
|---|---|---|---|
| Alkyl C-H | 9 | 8 | 0.9 |
| Alkene (C=C) | 1 | 1 | 0.9 |
Cheo kinaonyesha ushahidi wa fasihi uliokusanywa, si sheria moja yenye mamlaka. Thibitisha kila mara dhidi ya mazingira ya sampuli yako.
Fasihi nyuma ya ugawaji huu
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uaminifu 0.9
“vibrations of the acetomannan polysaccharide”
Malviya 等 - 2018 - Synthesis of AloeveraAcrylonitrile based Nanopart DOI: 10.1016/j.ijbiomac.2017.08.085 -
Alkyl C-H uaminifu 0.9
“Text states peak at 2931 cm-1 attributed to C-H bonds.”
Oyeyinka 等 - 2015 - Physicochemical properties of starches with variab DOI: 10.1016/j.carbpol.2015.06.100 -
Alkene (C=C) uaminifu 0.9
“Attributed to stretching vibration of =C-H”
AL-Shehri 等 - 2022 - Adsorption of Methylene Blue by Biosorption on Alk DOI: 10.3390/su14052644 -
Alkyl C-H uaminifu 0.9
“explicit assignment in text”
Al-Deyab 等 - 2010 - Synthesis and Characterization of Organotin Contai DOI: 10.3390/molecules15031784 -
Alkyl C-H uaminifu 0.9
“Explicit assignment in text: 'alkanes (C-H stretch) at 2931 cm-1'”
Armynah 等 - 2016 - Study of Chloride Ion Transport of Composite by Us DOI: 10.1063/1.4943752 -
uaminifu 0.9
“Band at 2931 cm-1 assigned to C-H telescopic.”
Dai 等 - 2020 - Characterization and Oxidative Stability of Cold-p DOI: 10.5650/jos.ess19323 -
Alkyl C-H uaminifu 0.9
“Characteristic band of CH”
Jaggy 等 - 2020 - ATR-FTIR Analysis and One-Week Stress Relaxation o DOI: 10.3390/ma13081868 -
Alkyl C-H uaminifu 0.9
“C-H stretching”
Mtavangu 等 - 2022 - In situ facile green synthesis of Ag-ZnO nanocompo DOI: 10.1038/s41598-022-19403-1
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Pakia wigo wako wa FTIR na upate ripoti kamili ya tafsiri — ugawaji wa vilele na marejeleo ya fasihi, ulinganishaji wa maktaba, na mlolongo wa ushahidi wenye kiwango cha uaminifu — kwa sekunde.
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