What absorbs at 2950 cm⁻¹ in an FTIR spectrum?
A band near 2950 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 | 26 | 26 | 1.0 |
| Hydroxyl (O-H) | 3 | 3 | 0.95 |
| Methyl | 3 | 3 | 0.9 |
| Amide | 1 | 1 | 0.9 |
| Aromatic ring | 1 | 1 | 0.8 |
| Alkene (C=C) | 1 | 1 | 0.8 |
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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Alkyl C-H uaminifu 1.0
“Explicit assignment in text.”
Chourasiya 等 - 2021 - Formulation, optimization, and characterization of DOI: 10.1177/09673911211056154 -
Alkyl C-H uaminifu 1.0
“Explicit assignment: 'C-H (2950 cm-1)'.”
Liang 等 - 2018 - Degradation of Polyacrylate in the Outdoor Agricul DOI: 10.3390/polym10121296 -
Alkyl C-H uaminifu 1.0
“stretching”
Medeiros 等 - 2023 - Poly(butylene adipate-co-terephthalate)Poly(lacti DOI: 10.3390/polym15030762 -
Alkyl C-H uaminifu 1.0
“explicit assignment in text”
Nath 等 - 2021 - A novel double-side welding approach for friction DOI: 10.1007/s00170-021-06602-9 -
Alkyl C-H uaminifu 1.0
“Explicit assignment in text.”
Sikora 等 - 2021 - Surface modification of PMMA polymer and its compo DOI: 10.1038/s41598-021-88553-5 -
Hydroxyl (O-H) uaminifu 0.95
“Text: 'band at approximately 2950 ... hydroxyl functional groups'”
Du 等 - 2016 - Microwave-assisted preparation of almond shell-bas DOI: 10.1515/gps-2016-0032 -
Alkyl C-H uaminifu 0.95
“Explicit assignment: 'C-H' at 2950 cm-1.”
Ngo 等 - 2020 - Improvement of Hydrophilicity for Polyamide Compos DOI: 10.1155/2020/6641225 -
uaminifu 0.95
“Explicit assignment in text: 'peak of at 2950-2850 cm-1 (C-H alcane stretching)'”
Wang 等 - 2020 - Study of the Effect of PGDA Solvent on Film Format DOI: 10.3390/coatings10050461
Una wigo wenye bendi hii?
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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