What absorbs at 3334 cm⁻¹ in an FTIR spectrum?
A band near 3334 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
Aseiniadau grŵp swyddogaethol posibl
| Grŵp swyddogaethol | Ffeithiau ategol | Ffynonellau a ddyfynnwyd | Hyder uchaf |
|---|---|---|---|
| Hydroxyl (O-H) | 6 | 6 | 1.0 |
| N h | 2 | 2 | 0.9 |
| Amine primary | 1 | 1 | 0.9 |
| Carbohydrate | 1 | 1 | 0.9 |
Mae＇r safle＇n adlewyrchu tystiolaeth llenyddiaeth gronnwyd, nid rheol awdurdodol sengl. Cadarnhewch bob amser yn erbyn eich cyd-destun sampl.
Llenyddiaeth y tu ôl i＇r aseiniadau hyn
-
Hydroxyl (O-H) hyder 1.0
“Explicit assignment: 'stretching vibration of O-H'”
Hu 等 - 2021 - Pyrolytic Characteristics and Kinetics of Guanzhon DOI: 10.1016/j.fuel.2014.01.014 -
N h hyder 0.9
“Explicit assignment: 'peak at 3334 which could be regarded to the formation of urethane N-H stretching'”
Salem 和 Salama - 2020 - Developing a New Class of UV-curable Polyurethane DOI: 10.21608/ejchem.2019.14853.1906 -
Carbohydrate hyder 0.9
“Explicit assignment in text.”
Sangsuk 等 - 2023 - Production of non-activated biochar based on Biden DOI: 10.1016/j.heliyon.2023.e15766 -
Hydroxyl (O-H) hyder 0.9
“Stretching vibration of hydroxyl group in polysaccharides.”
Abdel-Hamied 等 - 2022 - Potential effects of nano-cellulose and nano-silic DOI: 10.1038/s41598-022-23907-1 -
Hydroxyl (O-H) hyder 0.9
“Explicit assignment in text.”
Alghooneh 等 - 2017 - Characterisation of cellulose from coffee silversk DOI: 10.1080/10942912.2016.1253097 -
Amine primary hyder 0.9
“Another forked absorption band assigned to -NH2 stretching.”
Amin 等 - 2023 - An Intragastric Delivery Device Employing FDM Tech DOI: 10.1208/s12249-023-02578-9 -
Hydroxyl (O-H) hyder 0.9
“Explicit assignment in text.”
Gutierrez 等 - 2017 - Nano-clays from natural and modified montmorilloni DOI: 10.1016/j.matchemphys.2017.03.052 -
Hydroxyl (O-H) hyder 0.9
“O-H stretch”
Sankar 和 Ramesan - 2022 - Synthesis, characterization, conductivity, and gas DOI: 10.21203/rs.3.rs-1484974/v1
Oes gennych sbectrwm gyda＇r band hwn?
Llwythwch eich sbectrwm FTIR i fyny a chael adroddiad dehongli llawn — aseiniadau brig gyda chyfeiriadau llenyddiaeth, cyfateb llyfrgell, a chadwyn dystiolaeth â gradd hyder — mewn eiliadau.
Dehongli fy sbectrwm