What absorbs at 2883 cm⁻¹ in an FTIR spectrum?
A band near 2883 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 4 cited sources
Možná přiřazení funkčních skupin
| Funkční skupina | Podpůrná fakta | Citované zdroje | Nejvyšší spolehlivost |
|---|---|---|---|
| Alkyl C-H | 3 | 3 | 1,0 |
| Ring structure | 1 | 1 | 1,0 |
| Aromatic ring | 1 | 1 | 1,0 |
| Hydroxyl (O-H) | 1 | 1 | 1,0 |
Pořadí odráží nahromaděné literární důkazy, nikoli jediné autoritativní pravidlo. Vždy potvrďte v kontextu vašeho vzorku.
Literatura za těmito přiřazeními
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Hydroxyl (O-H) spolehlivost 1,0
“Fourier transform infrared (FTIR) spectra showed an increase of intensity in the -OH stretching vibration region and the cm-1 appearance of a new peak at 2883.1 in the plasticized film samples.”
Tee 等 - 2017 - Chemical, Physical, and Barrier Properties of Edib DOI: 10.1016/j.jfoodeng.2011.11.010 -
Aromatic ring spolehlivost 1,0
“obtained, with the melting point of attributed to the characteristic absorption peaks of benzene 2936cm-1 2883cm-1 and”
Liu 等 - 2013 - Synthesis and Application of a Novel Polyamide Cha DOI: 10.1155/2013/616859 -
Alkyl C-H spolehlivost 1,0
“In Figure 4b, the peak at ~2883 represents CH and CH 2 cm-1 stretching, while the peak at ~1608 represents H-C-H and H-O-C bending.”
Excellent Fire Retardant Properties of CNF/VMT Based LBL Coatings Deposited on Polypropylene and Wood-Ply DOI: 10.3390/polym13020303 -
Alkyl C-H spolehlivost 1,0
“The peaks at 2933 and C-H 2883cm-1 works [23, 30].”
Van-Dat Doan 等 - 2020 - Biosynthesis of Gold Nanoparticles Using Litsea cu DOI: 10.1155/2020/4548790
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