What absorbs at 3447 cm⁻¹ in an FTIR spectrum?
A band near 3447 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 6 cited sources
Moguće dodjele funkcionalnih skupina
| Funkcionalna skupina | Potporni dokazi | Citirani izvori | Najveća pouzdanost |
|---|---|---|---|
| Hydroxyl (O-H) | 3 | 2 | 0,9 |
| N h | 2 | 2 | 0,9 |
| Water (H2O) | 1 | 1 | 0,9 |
| Carboxyl (COOH) | 1 | 1 | 0,9 |
Rangiranje odražava akumulirane literaturne dokaze, a ne jedno autoritativno pravilo. Uvijek provjerite u kontekstu vašeg uzorka.
Literatura iza ovih dodjela
-
Carboxyl (COOH) pouzdanost 0,9
“Explicit assignment: '-COOH stretching bands were observed at ... 3447'”
Gao 等 - 2022 - Effective dispersion of oxidized multi-walled carb DOI: 10.1039/d2ra03592h -
N h pouzdanost 0,9
“stretching vibration of N-H bonds”
Lu 等 - 2016 - Use of polyurea from urea for coating of urea gran DOI: 10.1186/s40064-016-2120-x -
Hydroxyl (O-H) pouzdanost 0,9
“Assigned to O-H and N-H stretching vibrations.”
Mahiuddin 等 - 2020 - Green Synthesis and Catalytic Activity of Silver N DOI: 10.3390/nano10091777 -
Water (H2O) pouzdanost 0,9
“Wide peak from absorption of H2O”
Ran 等 - 2014 - Molecular Mechanism of Nano-Hydroxyapatite Surface DOI: 10.14233/ajchem.2014.18110 -
pouzdanost 0,9
“Text: 'bands around 3447 and 1633 that correspond to water adsorption by silanol groups'”
de Oliveira 等 - 2020 - Acetylation of Eugenol on Functionalized Mesoporou DOI: 10.3390/catal10050478 -
Hydroxyl (O-H) pouzdanost 0,7
“Band at 3447 cm-1 assigned to O-H stretching based on context.”
Machadoa 等 - 2016 - Komagataeibacter rhaeticus as an alternative bacte DOI: 10.1016/j.carbpol.2016.06.049
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