What absorbs at 2947 cm⁻¹ in an FTIR spectrum?
A band near 2947 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
Võimalikud funktsionaalrühmade määramised
| Funktsionaalrühm | Toetavad faktid | Tsiteeritud allikad | Kõrgeim usaldusväärsus |
|---|---|---|---|
| Alkyl C-H | 4 | 4 | 1,0 |
| Hydroxyl (O-H) | 1 | 1 | 1,0 |
Reiting kajastab kogunenud kirjanduslikke tõendeid, mitte ühte autoriteetset reeglit. Kinnitage alati oma proovi kontekstis.
Nende määramiste taga olev kirjandus
-
Alkyl C-H usaldusväärsus 1,0
“High performance liquid terized as C-H stretching at frequency 2947 and 1456 chromatography in phytochemical analysis.”
Chik 等 - 2011 - Predicting group of metabolites available in parti DOI: 10.5897/AJB11.2736 -
Alkyl C-H usaldusväärsus 1,0
“LLM confirmed rule peak-group candidate”
Sprayed in-situ synthesis of Polyvinyl alcohol/Chitosan loaded Silver nanocomposite hydrogel for improved antibacterial effects DOI: 10.1016/j.ijbiomac.2019.09.186 -
Alkyl C-H usaldusväärsus 1,0
“Mannitol presented a cm-1 cm-1 sented a characteristic peak at ~3281 (-OH stretching vibration), ~2947 (C-H characteristic peak at ~3281cm-1 (-OH stretching vibration), ~2947 cm-1 (C-H stretching cm-1”
Almotairi 等 - 2022 - Design and Optimization of Lornoxicam Dispersible DOI: 10.3390/ph15121463 -
Alkyl C-H usaldusväärsus 1,0
“The -C-H stretching and cm-1, group, but there is not any significant difference between bending vibrations appeared at 2947 and 1442 respecST-5 and ST-c.”
Ayaz 等 - 2013 - The effect of acrylamide incorporation on the ther DOI: 10.4047/jap.2013.5.2.110
Kas teil on selle ribaga spekter?
Laadige üles oma FTIR spekter ja saage sekunditega täielik tõlgendusaruanne — piikide määramised kirjandusviidetega, raamatukogu vasted ja usaldusväärsusega hinnatud tõendite ahel.
Tõlgenda minu spektrit